Question

The family leave home at 9 A.M. At that point, the car's odometer reads 31,247. They drive until 12:30 P.M., when they stop for lunch. At the restaurant, the odometer reads 31,492. What is the unit rate of speed in miles per hour?

Answer 1

Answer:

$\text{Speed} = 70 \text{ miles per hour}$

Step-by-step explanation:

The car shift is $31,492-31,247 = 245 \text{ miles}$

Time passed: $3.5 \text{ h}$

Once Speed is $\frac{\text{Distance}}{\text{Time}}$

$\text{Speed} =\frac{\text{245}}{\text{3.5}}$

$\text{Speed} = 70 \text{ miles per hour}$