One printing shop charges $5 plus $.02 perpage and a second shop charges $7 plus $.015 per page. If ___ pages are printed, the total cost is less for the first printing shop.

a. less than 1500
b. less than 2100
c. less than 400
d. less than 900

I got c for my answer. Just checking to see if it is correct.

How did you get to C) ? How did you calculate it?

You are correct.

The answer is C - less than 400