Asked by Cons
Two bicyclist ride in opposite directions. The speed of the first bicyclist is 5 miles per hour faster than the second. After 2 hours they are 70 miles apart. Find their rates.
Answers
Answered by
R_scott
f = s + 5
2 (f + s) = 70
substituting ... 2 (s + 5 + s) = 70 ... 4 s + 10 = 70
solve for s , then substitute back to find f
2 (f + s) = 70
substituting ... 2 (s + 5 + s) = 70 ... 4 s + 10 = 70
solve for s , then substitute back to find f
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