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Final Exam Review MGF 1107 MDC - Virtual College ------------SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Express the fraction as a percent. 27 1) 80 Answer: 33.75 % 1) 2) 7 8 2) Answer: 87.5% Write the decimal as a percent. 3) 0.229 Answer: 22.9% 3) 4) 66 Answer: 6600% 5) 4.7 Answer: 470% Express the percent as a decimal. 6) 370% Answer: 3.7 4) 5) 6) 7) 21% Answer: 0.21 8) 1 % 3 7) 8) 1 300 Answer: 1 The circle graph shows the number of times a group of survey respondents watched the news in the past week. Use the chart to answer the question. 9) If the number of respondents in the study was approximately 20,000, how many stated that they watched the news 5-6 times in the last week? Answer: 3600 respondents 9) Solve the problem. 10) Jeans with an original price of $45 are on sale at 25% off. What is the sale price of the jeans? (Round to the nearest cent, if necessary.) Answer: $33.75 11) As part of a fundraiser, a local charity has sold 6 raffle tickets, with a goal of selling 150 tickets. What percentage of the goal has been sold? (Round to the nearest tenth of a percent, if necessary.)" Answer: 4% The principle represents an amount of money borrowed at the given rate for the specified time. Find the simple interest and the maturity value of the loan. 10) 11) 12) principal = $6800 rate = 7.5% time = 18 months Answer: simple interest: $765.00 ; maturity value: $7565.00 12) 2 13) principal = $140 rate = 8% time = 4 years Answer: simple interest: $44.80 ; maturity value: $184.80 13) The principle represents an amount of money deposited in a savings account subject to compound interest at the rate shown. Use the formula r nt A = P(1 + ) n to find how much money will be in the account after the given number of years and how much
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