If the rate $56 per 7 hours is reduced to a unit rate, the result is dollars
per hour
Answer here
SUBM

56 dollars for 7 hours is represented by the fraction (56 dollars)/(7 hours).

Reduce the fraction by canceling common factors in numerator and denominator.
(8 dollars)/hour

21/2 or 5/2

21, i'm pretty sure it's right lol