Wich unit rate is equal to 15 miles per gallon

Answer: Sixty miles over four gallons

Step-by-step explanation:

Since thirty miles over three gallons Unit rate would be miles per gallon. three gallons over thirty miles Unit rate would be miles per gallon. four gallons over sixty miles Unit rate would be miles per gallon. sixty miles over four gallonsUnit rate would be miles per gallon.

Step-by-step explanation:

1.2 gallons is equal to 15 miles per hour