The distance that Sarah travels varies directly to how long she drives. She travels 440 miles in 8 hours. Write the equation that relates the distance, d, to the time, t. How many miles can Sarah travel in 6 hours?

A laptop is bought with 10% discount. A mouse is also bought for $13.99 and spent a total of $621.49 before taxes. Write an equation to find the original cost of the laptop, X.

Laura invested 16,400 in the stock market. Some of the stock is in Bryan bottling that costs $45 a share and the rest is in green gadgets that cost $51 a share. Write an equation that model this situation. Let b represent the number of shares purchased of Bryan bottling stock and let g represent the number of shares purchased of green gadgets stock. What is the equation ?

Riley walks to and from school each day. It is 2 3/10 kilometers each way. How far does Riley walk to get to and from school each day?

Two cyclists, 96 miles apart, start riding toward each other at the same time. One cycles 2 times as fast as the other, and they meet after 4 hours of riding. a. Write an equation using the information as it is given above that can be solved to answer this problem. Use the variable r to represent the speed of the slower cyclist. b. What are the speeds of the two cyclists? What units? Slower Cyclist: Select an answer Faster Cyclist: Select an answer

suppose x cooks will work for y hours to do the job, where x and y are unspecified numbers, which can vary. find and explain an equation that relates 8, 6, x, and y

A bacteria sample initially has 300 organisms. After 2 hours there are 500. Write an equation that will express the number present after t hours.

Sara is 5 years younger than Geoff. What is an equation that relates the age of Sara S and the age of Geoff G?

Francis teaches the piano. He charges each student an enrollment fee of $100 plus $15 per hour of piano lessons. The average cost of lessons for a student per hour is $25. If h represents the number of hours a student spends in lessons, which equation can be used to find the value of h?

Based on the veterinarian's equation, in how many weeks will the puppy weigh 12.6 ounces?Enter your answer in the box. Only enter a number