A sweater is on sale for 20% off the original price, x. Which statement explains why x-0.2x and 0.8x can each find the sale price of the sweater?

A. A decrease of 2% is the same as multiplying by 80%.

B. A decrease of 20% is the same as multiplying by 80%.

C. An increase of 20% is the same as dividing by 80%.

D. An increase of 20% is the same as multiplying by 80%.

Question

Mathematics

Brylee Grant

30 September, 23:00

A sweater is on sale for 20% off the original price, x. Which statement explains why x-0.2x and 0.8x can each find the sale price of the sweater?

A. A decrease of 2% is the same as multiplying by 80%.

B. A decrease of 20% is the same as multiplying by 80%.

C. An increase of 20% is the same as dividing by 80%.

D. An increase of 20% is the same as multiplying by 80%.

+1

Answers (1)

Know the Answer?

Giselle Garrison · Answer 1

The correct answer is B: A decrease of 20% is the same as multiplying by 80% ... This means that paying 80% (0.8x) and paying the full price with 20% off (0.2x) is exactly the same thing.