If the diameter is increased from 4 inches to 14 inches, the predicted number of cheerios will
Increase by about…
A) 72
B) 10
C) 21
D) none of these
E) 51

Question

Quizplus · Accepted Answer

The number of Cheerios is proportional to the square of the diameter. So, if the diameter is increased by a factor of 14/4 = 3.5, the number of Cheerios will increase by a factor of 3.5^2 = 12.25. This is an increase of about 51 Cheerios.

If the Diameter Is Increased from 4 Inches to 14