Math World Problem Solution

Sec. 6.8 Solving Percents Using Equation Method What number is 92% of 115? n = .92(115) n = 105.8 What percent of 70 is 42? 70p = 42 p = 42/70 p = .6 move decimal 2 places right p = 60% 88 is 32% of what number? 88 = .32n n = 88/.32 n = 275 What number is 21% of 60? n = .21(60) n = 12.6 What percent of 152 is 95? 152p = 95 p = 95/152 p = 0.625 p = 62.5% 83 is 4% of what number? 83 = .04n n = 83/.04 n = 2075 Using Percent Equations ONLINE SHOPPING Bob is looking to buy a new baseball cap with his favorite team's logo on it. He finds one that normally sells for $17.99 on sale for 20% off. Find the discount to the nearest cent.   17.99 * 0.20 = $3.60 BASEBALL CARDS Harold is interested in selling his father's baseball card collection. A local sports card dealer will sell the collection for Harold, but will collect a fee equal to 18% of the selling price. If the card dealer sells the baseball card collection for $325, what is the amount of the fee?   325 * 0.18 = $58.50 TAXES Martina bought a pair of shoes for $39.90. The total cost for the shoes was $41.50. What is the sales tax rate in Martina's state?   41.50 - 39.90 = 1.60 1.60 / 39.90 = 0.04 = 4% tax SHOPPING Bria has a coupon for an additional 25% off the purchase of any sale item at a garden store. She finds a birdbath that is on sale at 10% off the original price of $79. What is the price of the birdbath after both discounts are applied? Round your answer to the nearest cent.   79 * 0.10 = 7.90 79 - 7.90 = 71.10 71.10 * 0.25 = 17.78 71.10 - 17.78 = $53.32