SOLUTION: Write an inequality for each sentence, the solve the equality. The minimum speed for vehicles on a highway is 40 mph and the maximum speed is 55. If sophia has been driving non

Algebra ->  Inequalities -> SOLUTION: Write an inequality for each sentence, the solve the equality. The minimum speed for vehicles on a highway is 40 mph and the maximum speed is 55. If sophia has been driving non      Log On


   



Question 553708: Write an inequality for each sentence, the solve the equality.
The minimum speed for vehicles on a highway is 40 mph and the maximum speed is 55. If sophia has been driving nonstop along the highway for 4 hours, what range in miles could she have legally driven.

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let s be the speed
s%3E=+40+
s%3C=+55
40%3C=s%3C=55
she can drive a minimum of 40*4=160 hours
maxim of 4 *55= 220 miles