SOLUTION: Julia traveled for 2 hours on the highway and 3 hours on a side road. Her speed on the highway was 25 mph faster then on the side road. She traveled a total of 275 miles. How fast

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Question 1108770: Julia traveled for 2 hours on the highway and 3 hours on a side road. Her speed on the highway was 25 mph faster then on the side road. She traveled a total of 275 miles. How fast did she travel on the side road?
Answer by josgarithmetic(39615) About Me  (Show Source):
You can put this solution on YOUR website!
                SPEED       TIME       DISTANCE

highway          r+25        2         2(r+25)

sideroad          r          3         3r

total                                   275

Solve for r in sum of distances.
2%28r%2B25%29%2B3r=275