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

Relax

Respuesta :

a. 5miles per hour per  second
The correct answer is A.