The entry ticket for a science fair was made 25% costlier, and as a result the number of visitors fell by 20%. The percent change in the total collection is:

Question

Accepted Answer

0. Collection = price × visitors, so the factor is 1.25 × 0.80 = 1.00 exactly. The collection is unchanged — a 0% change. (Subtracting 25 − 20 to get 5% treats the two percentages as if they had the same base.)

The entry ticket for a science fair was made 25% costlier, and as a result the number of visitors fell by 20%. The percent change in the total collection is:

Step-by-Step Solution

Master this topic in 30 minutes a day.

More Ratio, Percentage & Commercial Math practice