Solve the Problem $\mathrm { MPH } = \frac { \text { rpm } \times \text { tire diameter } } { \text { gear ratio } \times 336 } .$

Multiple Choice

Solve the problem.
-The approximate speed of a car in miles per hour (MPH) can be found in terms of the engine's revolutions per minute (rpm) , the tire diameter in inches, and the overall gear ratio by the formula $\mathrm { MPH } = \frac { \text { rpm } \times \text { tire diameter } } { \text { gear ratio } \times 336 } .$ If a car has an rpm of 5300, a tire diameter of 26 inches, and a gear ratio of 3.22, what is its Approximate speed in miles per hour?

A) 122 mph
B) 113 mph
C) 127 mph
D) 118 mph