Find a single discount equivalent to a series of discounts of 20 percent, 10 percent and 5 percent.

A30%

B31.6% ✓ Correct

C30.6%

D32%

Correct answer: (B) 31.6%

Explanation

The single discount is 31.6%.

Apply the factors: 0.80 x 0.90 x 0.95.

This product = 0.684.

Discount = 1 - 0.684 = 0.316.

As a percent that is 31.6%.

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