To set the equation,we can first find how much price would be raised within a year:
=500×(1+7%)
=500×1.07
As the years go by the increase would accumulate,and the equation would be:

Hope it helps!
Answer:
A is correct
Step-by-step explanation:
Answer:
He should buy 4 boxes
Step-by-step explanation:
25 divided by 8 is 3.125, but you want to have enough so the least amount you can buy is 4.
125/200= 0.625 cents
0.625 cents to the nearest cent= 0.63
The unit rate is 0.63 miles.
Hope this helps!