Ask a New Question

Question

A man drove 48 more miles an hour than the number of hours he drove. if he drove 208 miles in all, how many hours did he drive? What was his rate?
12 years ago

Answers

Steve
if he drove x hours, his speed was x+48

distance = speed * time, so

(x+48)(x) = 208
x^2 + 48x - 208 = 0
(x-4)(x+52)
x=4

so, he drove 52 mph for 4 hours
12 years ago

Related Questions

If a man drove 3.5 miles to a gas station and on the way home drove 2 times that +.7 miles,how many... Ann drove 8 miles east, 4 miles south, 3 miles east, 6 miles north, 7 miles west, and 5 miles south.... If jan drove 7 hrs. at 72 miles per hr. and drove 4 hrs. at 68 miles per hr. How many hrs she drive... Jim drove 300 miles away from home. He stopped 2/3 of the way there. He drove 4 hours. In miles per... If someone drove 108 miles in 2 hours what would their average speed be? An suv drove 54 miles using 3 gallons of gas at this rate how far could it drive with 5 gallons of g... The car drove 280 miles and four hours on the average how many miles on that car drive each hour . You drove 640 miles in 5 hours. How many miles did you travel in 1 hour? 640 128 3200... Mel drove 432 miles during his trip. He drove an average of 72 miles per hour. How long was his trip... A car drove 249.48 miles on 12.6 gallons of gas. How far could the car drive on a full tank of 14...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use