how far did Maria travel

Question

In the morning, Maria drove to a business appointment at 70mph. Her Average speed on the return trip was 60 mph. The return trip took 1/3 hr longer because of heavy traffic. How far did she travel to the appointment?

Answer 1

Hy Bethany,

 

Let the time taken to travel to the business appointment in the morning be t. The time taken to return from the business appointment would be 

(t + 1/3).

 

 

Distance travelled = Speed * time taken

 

 

70t = 60 ( t + 1/3)

 

 

70t = 60t  + 20

 

 

10t  = 20

 

t = 20 / 10

 

 = 2

 

 

 

Distance travelled by Maria to the appointment

 

= 70 * 2 

 

= 140 miles

 

 

 

Good luck with the all your problems.