A printer which sells for $190 is on sale for 20% off. What is the sale price of the printer?
The printer is 20% off. That means that it is 80% of its original price (100% - 20% = 80%). To ?nd out 80% of $190, multiply $190 through the decimal equivalent of 80% (0.80); $190 × 0.80 = $152.