SOLUTION: Al's speed on his bicycle is 6 mph faster than Julie's speed on her bicycle. Al travels 72 miles the same time that it takes Julie to travel 48 miles. Find their speeds.

Question 1081701: Al's speed on his bicycle is 6 mph faster than Julie's speed on her bicycle. Al travels 72 miles the same time that it takes Julie to travel 48 miles. Find their speeds.

Found 2 solutions by addingup, Fombitz:
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
A = J + 6
72 = 48 + 6x
24 = 6x
x = 3 So the time is 3 hours
48/3 = 16 mph is Julie's speed
72/3 = 24 mph is Al's speed
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

.
.

So,

Substituting,

Solve for J then use either equation to solve for A.
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