If the area of a square region having sides of length 6 centimeters is equal to the area of a rectangular region having

[Vincen]

If the area of a square region having sides of length 6 centimeters is equal to the area of a rectangular region having width 2.5 centimeters, then the length of the rectangle, in centimeters, is

A. 8.5
B. 9.5
C. 9.6
D. 10.5
E. 14.4

Answer: E

Source: GMAT Paper Tests

[Brent@GMATPrepNow]

If the area of a square region having sides of length 6 centimeters is equal to the area of a rectangular region having width 2.5 centimeters, then the length of the rectangle, in centimeters, is

A. 8.5
B. 9.5
C. 9.6
D. 10.5
E. 14.4

Answer: E

Source: GMAT Paper Tests

Given: (area of square) = (area of rectangle)
In other words: (width)(length) = (width)(length)
Plug-in information: (6)(6) = (2.5)(x)
Evaluate: 36 = 2.5x
Solve: x = 36/2.5 = 14.4

Answer: E