Total amount of cash the student earns per hour is $7.5, let the time taken to earn $200 be h, thus the inequality representing this will be:
7.5h≤200
thus
h≤80/3
writing in whole numbers we shall have:
h≤27
what is the problem? it might help to see it
In order to begin figuring that out, we need to know how both of their plans work.