SOLUTION: If 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 and at what rate?

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Question 394510: If 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 and at what rate?

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
speed * time = distance
st=d
t(t+48)=208
t^2+48t-208=0
(t-4)(t+52)=0
t=4 hrs
s=4+48=52 mph rate
.
Ed