Suppose it takes 11 hours to fill a rectangular swimming pool of uniform depth. How long will it take to fill a similarly shaped swimming pool if all of the dimensions are doubled?
A) 88 hr.
B) 22 hr.
C) 11 hr.
D) 44 hr.
E) 176 hr.

Question

Suppose it takes 11 hours to fill a rectangular swimming pool of uniform depth. How long will it take to fill a similarly shaped swimming pool if all of the dimensions are doubled? ​
A) 88 hr.
B) 22 hr.
C) 11 hr.
D) 44 hr.
E) 176 hr.

Quizplus · Accepted Answer

Doubling all dimensions of the pool increases the volume by a factor of 2^3 = 8. Therefore, it will take 11 hours * 8 = 88 hours to fill the larger pool.

Suppose It Takes 11 Hours to Fill a Rectangular Swimming