Question

Tara's car accelerated from 10 miles per hour to 70 miles per hour in 12 seconds. What is the approximate rate of change in the miles per hour that Tara's car accelerated?
A) 5 miles per hour per second
B) 8 miles per hour per second
C) 18 miles per hour per second
D) 48 miles per hour per second

Answer 1

The correct answer is A.<span />

Answer 2

A. 5miles per hour per  second