Problem 2.115TI: Lindsay drove for 512 hours at 60 miles per hour. How much distance did she travel? Problem 2.116TI: Trinh walked for 213 hours at 3 miles per hour. How far did she walk? Problem 2.117TI: Lee wants to drive from Phoenix to his brother’s apartment in San Francisco, a distance of 770... Problem 2.118TI: Yesenia is 168 miles from Chicago. If she needs to be in Chicago in 3 hours, at what rate does she... Problem 2.119TI: Solve the formula d=rt for r: (a) when d=180 and t=4 (b) in general Problem 2.120TI: Solve the formula d=rt for r: (a) when d=780 and t=12 (b) in general Problem 2.121TI: Use the formula A=12bh to solve for h: (a) when A=170 and b=17 (b) in general Problem 2.122TI: Use the formula A=12bh to solve for b: (a) when A=62 and h=31 (b) in general Problem 2.123TI: Use the formula I=Prt to find the principal, P: (a) when I=2,160,r=6,t=3years (b) in general Problem 2.124TI: Use the formula I=Prt to find the principal, P: (a) when I=5,400,r=12,t=5years (b) in general Problem 2.125TI: Solve the formula 3x+4y=10 for y: (a) when x=143 (b) in general Problem 2.126TI: Solve the formula 5x+2y=18 for y: (a) when x=4 (b) in general Problem 2.127TI: Solve the formula P=a+b+c for b. Problem 2.128TI: Solve the formula P=a+b+c for c. Problem 2.129TI: Solve the formula 4x+7y=9 for y. Problem 2.130TI: Solve the formula 5x+8y=1 for y. Problem 376E: In the following exercises, solve. 376. Steve drove for 812 hours at 72 miles per hour. How much... Problem 377E: In the following exercises, solve. 377. Socorro drove for 456 hours at 60 miles per hour. How much... Problem 378E: In the following exercises, solve. 378. Yuki walked for 134 hours at 4 miles per hour. How far did... Problem 379E: In the following exercises, solve. 379. Francie rode her bike for 212 hours at 12 miles per hour.... Problem 380E: In the following exercises, solve. 380. Connor wants to drive from Tucson to the Grand Canyon, a... Problem 381E: In the following exercises, solve. 381. Megan is taking the bus from New York City to Montreal. The... Problem 382E: In the following exercises, solve. 382. Aurelia is driving from Miami to Orlando at a rate of 65... Problem 383E: In the following exercises, solve. 383. Kareem wants to ride his bike from St. Louis to Champaign,... Problem 384E: In the following exercises, solve. 384. Javier is driving to Bangor, 240 miles away. If he needs to... Problem 385E: In the following exercises, solve. 385. Alejandra is driving to Cincinnati, 450 miles away. If she... Problem 386E: In the following exercises, solve. 386. Aisha took the train from Spokane to Seattle. The distance... Problem 387E: In the following exercises, solve. 387. Philip got a ride with a friend from Denver to Las Vegas, a... Problem 388E: In the following exercises, use the formula d=rt. 388. Solve for t (a) when d=350 and r=70 (b) in... Problem 389E: In the following exercises, use the formula d=rt. 389. Solve for t (a) when d=240 and r=60 (b) in... Problem 390E: In the following exercises, use the formula d=rt. 390. Solve for t (a) when d=510 and r=60 (b) in... Problem 391E: In the following exercises, use the formula d=rt. 391. Solve for t (a) when d=175 and r=50 (b) in... Problem 392E: In the following exercises, use the formula d=rt. 392. Solve for r (a) when d=204 and t=3 (b) in... Problem 393E: In the following exercises, use the formula d=rt. 393. Solve for r (a) when d=420 and t=6 (b) in... Problem 394E: In the following exercises, use the formula d=rt. 394. Solve for r (a) when d=160 and t=2.5 (b) in... Problem 395E: In the following exercises, use the formula d=rt. 395. Solve for r (a) when d=180 and t=4.5 (b) in... Problem 396E: In the following exercises, use the formula A=12bh. 396. Solve for b (a) when A=126 and h=18 (b) in... Problem 397E: In the following exercises, use the formula A=12bh. 397. Solve for h (a) when A=176 and b=22 (b) in... Problem 398E: In the following exercises, use the formula A=12bh. 398. Solve for h (a) when A=375 and b=25 (b) in... Problem 399E: In the following exercises, use the formula A=12bh. 399. Solve for b (a) when A=65 and h=13 (b) in... Problem 400E: In the following exercises, use the formula I=Prt. 400. Solve for the principal, P for (a)... Problem 401E: In the following exercises, use the formula I=Prt. 401. Solve for the principal, P for (a)... Problem 402E: In the following exercises, use the formula I=Prt. 402. Solve for the time, t for (a)... Problem 403E: In the following exercises, use the formula I=Prt. 403. Solve for the time, t for (a)... Problem 404E: In the following exercises, solve. 404. Solve the formula 2x+3y=12 for y (a) when x=3 (b) in general Problem 405E: In the following exercises, solve. 405. Solve the formula 5x+2y=10 for y (a) when x=4 (b) in general Problem 406E: In the following exercises, solve. 406. Solve the formula 3xy=7 for y (a) when x=2 (b) in general Problem 407E: In the following exercises, solve. 407. Solve the formula 4x+y=5 for y (a) when x=3 (b) in general Problem 408E: In the following exercises, solve. 408. Solve a+b=90 for b. Problem 409E: In the following exercises, solve. 409. Solve a+b=90 for a. Problem 410E: In the following exercises, solve. 410. Solve 180=a+b+c for a. Problem 411E: In the following exercises, solve. 411. Solve 180=a+b+c for c. Problem 412E: In the following exercises, solve. 412. Solve the formula 8x+y=15 for y. Problem 413E: In the following exercises, solve. 413. Solve the formula 9x+y=13 for y. Problem 414E: In the following exercises, solve. 414. Solve the formula 4x+y=6 for y. Problem 415E: In the following exercises, solve. 415. Solve the formula 5x+y=1 for y. Problem 416E: In the following exercises, solve. 416. Solve the formula 4x+3y=7 for y. Problem 417E: In the following exercises, solve. 417. Solve the formula 3x+2y=11 for y. Problem 418E: In the following exercises, solve. 418. Solve the formula xy=4 for y. Problem 419E: In the following exercises, solve. 419. Solve the formula xy=3 for y. Problem 420E: In the following exercises, solve. 420. Solve the formula P=2L+2W for L. Problem 421E: In the following exercises, solve. 421. Solve the formula P=2L+2W for W. Problem 422E: In the following exercises, solve. 422. Solve the formula C=d for d. Problem 423E: In the following exercises, solve. 423. Solve the formula C=d for . Problem 424E: In the following exercises, solve. 424. Solve the formula V=LWH for L. Problem 425E: In the following exercises, solve. 425. Solve the formula V=LWH for H. Problem 426E: Converting temperature While on a tour in Greece, Tatyana saw that the temperature was 40° Celsius.... Problem 427E: Converting temperature Yon was visiting the United States and he saw that the temperature in Seattle... Problem 428E: Solve the equation 2x+3y=6 for y (a) when x=3 (b) in general (c) Which solution is easier for you,... Problem 429E: Solve the equation 5x2y=10 for x (a) when y=10 (b) in general (c) Which solution is easier for you,... format_list_bulleted