MATHO!!! (Math Bingo) Real World Applications of Percents (Percent of Change, Sales Tax, Tips, Markup, Discount, Simple Interest)

#1 Mr. Jones’ salary is $4,800 per month. After his raise, he earned $6,000 per month. By what percent did his salary increase? 25%

#2 According to the Hurricane Center, there were 16 named storms in 2008 and 9 named storms in 2009. What is the percent of decrease in the number of named tropical storms from 2008 to 2009? Round your answer to the nearest tenth of a percent. 43.8%

#3 When Julia bought a new car she increased the miles per gallon from 20 miles per gallon to 26 miles per gallon. By what percent did the miles per gallon increase? Round your answer to the nearest tenth of a percent. 30%

#4 Maxine weighed 176 pounds in January. In June she weighed 148 pounds. By what percent has she lowered her weight? Round your answer to the nearest tenth. 15.9%

#5 While on vacation in Hawaii, Suzy, Chris, Samantha, and Zach went to a local sushi restaurant. The total bill was $97.32. They want to leave an 18% tip. How much should they leave the waitress? $17.52

#6 The sneakers Jack chose cost $78.00. The sneakers are on sale for 20% off. How much will the sneakers cost when 6% sales tax is added? $66.14

#7 A family of 5 is going to a theme park during a family vacation. Admission into the park is $59 per person. They were able to get the Florida resident rate, which discounts each ticket by 10%. How much will the family save when buying the 5 tickets on this special sale? $29.50

#8 A model airplane has a list price of $43.85. The model is on sale 15% off. Find the total cost to the nearest cent after a 4.5% sales tax is added to the sale price. $38.95

#9 Kayla earned $540 last summer babysitting. She put the money in a savings account earning 2.5% simple interest. How much interest will she earn in 6 months? $6.75

#10 Jose borrowed $4,250 from his grandmother to buy his first car. Jose agreed to pay his grandmother 4% simple interest for the 3 year car loan. How much interest will Jose owe his grandmother? $510

#11 Last winter, Jack earned $375 shoveling snow. If he puts this amount into a savings account earning 3% simple interest per year, how much interest will he earn in 4 years? $45

#12 What is the annual interest rate if $7200 is invested for 15 months and earns $855 interest? 9.5%

#13 How long will it take a deposit of $4500 at an annual rate 5.75% to earn $1035? 4 years

#14 Thomas earns $2450 a month. He recently earned a 2% raise. What is his new annual salary? $29,988

#15 Helen took her two daughters out to lunch. Each of them had a cobb salad at $8.25 each and a sweet tea for $2.25 each. Helen wants to leave a 15% tip on the total bill. What is the total cost of the bill? $36.23

#16 Taylor raised her grade in math from a 76 to an 83. By what percent did she raise her grade? 9.2%

#17 A storeowner can purchase 50 shirts for $700 from the warehouse. She then adds 40% to her cost and tags each shirt with the same selling price. What is the amount of profit for each shirt? $5.60

#18 A manufacturing company with 375 employees begins a new product line and must add 65 more employees. What is the percent of increase in the number of employees? 17.3%

#19 Frank bought 4 notebooks at $0.80 each, 10 pencils at $0.05 each, and 6 pens at $1.20 each. What will the total bill be including 6% sales tax? $11.55

#20 Jeremy bought a new car costing $25,350. He made a 20% down payment on the car and financed the remaining cost of the car for 5 years at 6.5%. How much interest did Jeremy pay on his car loan? $6,591

#21 Leo works for a computer store that pays a 13% commission and no salary. What will his weekly sales have to be to earn $380? $2923.08

#22 Doug borrowed $1000 from Fran. He agreed to repay her $1150 after 3 years. What was the interest rate of the loan? 5%

#23 Cole has 870 cards in his baseball card collection. He sells 205 of the cards. What is the percent of decrease in the number of cards in the collection? Round to the nearest whole percent. 24%

#24 Mr. Smith earned $196.50 in interest in a year for an account that paid 3% interest per year. If he did not take any money out of the account during the year, how much was in the account at the start of the year? $6550

© Lisa Davenport 2013 http://www.teacherspayteachers.com/Store/Lisa-Davenport