Question
Sarah drove 30 miles with an average speed of 40mph. How long was she driving for?
Answers
Ms. Sue
Cross multiply and solve for x.
30/x = 40/60
40x = 1800
x = 1800/45
x = 45 minutes
30/x = 40/60
40x = 1800
x = 1800/45
x = 45 minutes