Question

3. Which represents the least percent of change?

A. A $125 watch selling for $90.
B. The speed limit changing from
40 mph to 55 mph.
C. The stock market dropping from
250 to 175 points.
D. Marissa's math grade increasing
from 75 to 99.

Answer 1

Answer: B. The speed limit changing from 40 mph to 55 mph represents the least percent of change.

In A, a watch selling for $90 from $125 represents a 28% decrease,

In C, the stock market dropping from 250 to 175 points represents a 30% decrease,

In D, Marissa's math grade increasing from 75 to 99 represents a 32% increase.

While in B, the speed limit changing from 40 mph to 55 mph represents a 37.5% increase.

So, B represents the least percent of change.

Explanation: