Posted by zamarra on Tuesday, January 15, 2013 at 12:33am.
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?

algebra 1  Steve, Tuesday, January 15, 2013 at 12:11pm
if he drove x hours, his speed was x+48
distance = speed * time, so
(x+48)(x) = 208
x^2 + 48x  208 = 0
(x4)(x+52)
x=4
so, he drove 52 mph for 4 hours
Answer This Question
Related Questions
 math  Drove an average of 55mi/h on her trip to the mountains. You can use the ...
 7th Grade Math  Carlos and maria drove a total of 258 miles in 5 hours. carlos ...
 algebra  Shari drove for 90 miles in the city. When she got on the highway, ...
 algebra  Harry drove for 6 hours on the freeway, then decreased his speed by 20...
 6th grade math  Chan drove for X miles at 45 miles an hour, Y miles at 60 miles...
 Math  Harry drove for 5 hours on the freeway, then decreased his speed by 20 ...
 Math  Harry drove for 6 hours on the freeway, then decreased his speed by 20 ...
 Math  Carlo drove for 3 hours in a fog, then increased his speed by 30 miles ...
 Math  Shelby drove to her aunt's house, which is 360 miles away. If it took her...
 Math  Jim drove 300 miles away from home. He stopped 2/3 of the way there. He ...
More Related Questions