Question

Jenny went to the store with $10 and returned home

with 5 gallons of milk and $1.30 in change. What was
the cost of each gallon of milk?

Answer 1

The milk is priced at $1.74/gallon

Explanation:

If Jenny started out with $10 and ended up with $1.30 in change, she must have spent $10 - $1.30, or $8.70.

$8.70

Then the unit price for the milk is ---------- = $1.74 per gallon

5 gal