Solve the following LDE if possible: 48 t + 84 s = 144

Val's whole-house central air conditioner uses 4,000 watts when running. Val runs the AC 5 hours per summer day. Electricity costs (12 cents)/(1 kilowatt-hour). How much does Val's AC cost to run for a summer month of 30 days?

Betty is stacking boxes at a factory. Each box is 16 and 3/4 (it is a mixed number) inches high. The ceiling is 19 feet. How many whole boxes can she stack in one pile?

A factory bottles 511 bottles of juice in 7 minutes. Find the factory's unit rate of bottles per minute. 511 bottles 7 minutes 73 bottles 1 minute 73 minutes 1 bottle 73:1

If DE = 7 and EF : 11, what is DF? %3D %3D F 7. 11 Write your answer as a decimal or integer.

If Micah runs one lap around the track at the park, he has gone a total of 2200 yards. Yesterday, he ran once around the track in 10 minutes. a. What is the yards per minute?   b. Using your answer from part (a), what was Micah’s running speed in miles per hour?

Solve the following: ((65 ÷ 5) x 7) + 8 = ?

A. Solve the following (round off 2 decimal places): 1. On Saturday, an electrician used 147.89 feet of wire: on Sunday he used 159.07 feet. How many total feet did he use? 2. Ana bought a motorcycle from a friend for P54,823.33. She saw the same motorcycle in the mall for P67,384.83. How much did she save by buying from a friend? 3. A developer is building 26 homes at one time. Each roof measures 51.9 feet by 26.35 feet. What is the total square feet per roof? What is the total square feet for the entire project? 4. At RFS Mart, Soledad purchased 104.75 meters of ribbon. She paid a total of P333.81 for the ribbon. How much each meter cost?

Heather rides a motorized bike to work.  The bike gets about 100 miles per gallon and the tank holds about 0.4 gallon of gas.  If Heather uses the bike to drive 2.5 miles to work and then the 2.5 miles back home at the end of the day, how many days will Heather be able to ride her bike to and from work before needing to refill her gas tank? Answer:   Work:

a piper warrior holds 50 gal of aviation fuel. a pilot takes off and lands at another airport and fills up the tank, which takes 17 1/2 gal. the pilot the fies to a second airport, which requires 20 3/8 gal. had the pilot made the trip to the two airports without refueling each time, how much furl would have been left in the tank?