A driver drove for 3 hours at a certain speed. If he drove 12 more miles at the same speed, the distance would be 132 miles. At

Question

Naddika [18.5K]

3 years ago

6

A driver drove for 3 hours at a certain speed. If he drove 12 more miles at the same speed, the distance would be 132 miles. At

what speed did he drive?

Mathematics

1 answer:

Zinaida [17] · Answer 1 · 2022-07-12T17:11:30+03:00

Zinaida [17]3 years ago

7 0

Distance traveled in 3 hrs was (speed in mph)(3 hrs)

Then s(3 hrs) + 12 mi = 132 mi.

Therefore, 3s = 120, and s = 120 miles / 3 hrs = 40 mph (answer)