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

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) \(7 \mathrm { mph }\)
• B) \(5 \mathrm { mph }\)
• C) \(4 \mathrm { mph }\)
• D) \(6 \mathrm { mph }\)

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