Firstly figure out how much money you earn per one hour. This is 312$ divided by 20 is 16$/hour. Then write an equation which represents only hourly earnings: y = 16x. To answer the last question just enter the value for variable x = 15, and you will get money earned per one week.
Is there any picture we can work with?
Answer:
I think
Step-by-step explanation:
35
12/3 = 4 minutes
4 minutes per kilometre
4x7=28
28 minutes
