You and your friend each start a car-washing service. You spend $25 on supplies and charge $10 per car. Your friend spends $55 o

Question

2 years ago

14

You and your friend each start a car-washing service. You spend $25 on supplies and charge $10 per car. Your friend spends $55 o

n supplies and charges $13 per car. How many cars do you have to wash to earn the same amount of money as your friend? Math item stem image

Mathematics

2 answers:

PolarNik [594] · Answer 1 · 2022-05-22T03:11:06+03:00

PolarNik [594]2 years ago

5 0

Answer:

10 cars.

Step-by-step explanation:

Inga [223] · Answer 2 · 2022-05-22T00:55:41+03:00

For this you can write equations for your business and your friend's. For your's it would be y=10x-25 and for your friend's it would be y=13x-55. Now at this point you can just plug in numbers until you match up. Your answer would be 10, if you want to you can plug it in to check.