Mara's family is driving to her grandmothers' house. The family travels 239.4 miles be-
tween the hours of 9:10 a.m. to 1:40 p.m. Write an equation that Mara can use to deter-
mine their average rate of travel, rounded to the nearest mile per hour.
Use the given numbers and operations to complete an equation.

Maras family is driving to her grandmothers house The family travels 2394 miles be tween the hours of 910 am to 140 pm Write an equation that Mara can use to de class=