Question

Thomas earns extra money babysitting. He charges 45.50 for 5 hours and 72.80 for 8 hours. How much will thomas charge for 3 hours.

Answer 1

3 hours would be $27.30
You take $45.50 and divide it by 5 to get the charge of one hour then times it by three.
You can also do $72.80 divided by 8 to get the charge of one hour, then times it by 3.