GRE Math Problem 70

If the width of a rectangle is increased by 25% while the length remains constant, the resulting area is what percent of the original area?

(A) 25% 

(B)75% 

(C) 125% 

(D)225%

(E) Cannot be determined from the information given.

Solution for GRE Math Problem 69:

At what rate is the water filling the tank?
800-300=500 cubic feet
How many minutes will it take to completely fill a water tank?
3,750:500 = 7.5 minutes = 7 min. 30 sec.

Answer:(C) 7 min. 30 sec.

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