SOLUTION: Scott and Frank leave the baseball field traveling on bikes in opposite directions on a straight path. Frank rides 4 mi/h faster than Scott. After 2 hours, they are 44 mi apart. Fi

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Question 931757: Scott and Frank leave the baseball field traveling on bikes in opposite directions on a straight path. Frank rides 4 mi/h faster than Scott. After 2 hours, they are 44 mi apart. Find Scott's rate.
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
x = speed scott
y = speed frank = x + 4
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their relative speed:
x + y
x + x + 4
2x + 4
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s = d/t
2x + 4 = 44/2
2x = 44/2 - 4
x = (44/2 - 4)/2
x = 9
y = x + 4
y = 13
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answer:
x = speed scott = 9 mph
y = speed frank = 13 mph
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