SajjadAhmad wrote:

Renee rides her bicycle 20 miles in m minutes. If she can ride x miles in 10 minutes, which of the following equals x?

A. m/200

B. m/20

C. m/2

D. 2m

E. 200/m

Dear

SajjadAhmad,

I'm happy to respond.

This is a very basic proportion problem. See:

GMAT Quant: Rates and Ratios\(\frac{distance}{time} = \frac{20 miles}{(m) min} = \frac{(x) miles}{10 min}\)

Units are the same on both sides, so cancel the units.

\(\frac{20}{m} = \frac{x}{10}\)

We want to solve for x, so multiply both sides by 10.

\(\frac{200}{m} = x\)

OA =

(E) Does all this make sense?

Mike

_________________

Mike McGarry

Magoosh Test Prep

Education is not the filling of a pail, but the lighting of a fire. — William Butler Yeats (1865 – 1939)