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Solve
-A Cyclist Bikes at a Constant Speed for 16 7mph7 \mathrm { mph }

Question 153

Multiple Choice

Solve.
-A cyclist bikes at a constant speed for 16 miles. He then returns home at the same speed but takes a different route. His return trip takes one hour longer and is 21 miles. Find his speed.


A) 7mph7 \mathrm { mph }
B) 5mph5 \mathrm { mph }
C) 4mph4 \mathrm { mph }
D) 6mph6 \mathrm { mph }

Correct Answer:

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