Question

A computer programmer worked 12 hours and earned $510. What is the hourly rate?

Answer 1

We can use ratio

If the person works for 12 hours and earns $510, for one hour:

12*1=510*x

x=510/12

x= $42.5

Thus the person earns 42.5 dollars per hour.

Answer 2

Your answer is A) $42.50/1 hour.