Question

Find both unit rates.

$27 for 4 hours of work

A.
$108 per hour and 6.75 hours per dollar

B.
$0.15 per hour and 6.75 hours per dollar

C.
$6.75 per hour and 108 hours per dollar

D.
$6.75 per hour and 0.15 hours per dollar

Answer 1

http://www.calculatorsoup.com/calculators/math/unit-rate-calculator.php

Answer 2

thx @automaticloveletter