Question

You and your friend each start a car-washing service. You spend $25 $ 25 on supplies and charge $10 $ 10 per car. Your friend spends $55 $ 55 on supplies and charges $13 $ 13 per car. How many cars do you have to wash to earn the same amount of money as your friend?

Answer 1

Answer:

If this is from TTM the answer is 10 cars.

Step-by-step explanation:

Answer 2

Answer:

if you wash 13 cars, you will earn 13*10= 130 $

your friend will also learn 130 $ but he only need to wash 130/13= 10 cars

SO the number of the car you have to wash is 13 cars

Step-by-step explanation: