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8.9 Word Problems - Percents
Solve the following word problems.
: A store has 15% off the regular prices of all CDs. If Tom saves $9.45 on the CDs he buys, what is the total of the regular prices of the CDs he purchased? (Assuming no sales tax.)
: Bob took a Math test containing 40 questions. If he answered 80% of the questions correctly, how many questions did he answered correctly.
: Tom got a raise in his allowance from $6.00 and hour to $12.00 an hour. What percent raise did he get?
: The population of a city increased from 120,000 to 150,000. What percent does this increase represent?
: Kim needs to get at least 85% of the questions on her final exam correct in order to be on the honor roll. If there are a total of 60 questions on her final exam, at least how many questions must she answer correctly?
: Sally earns $1800 a month and pays $450 for rent. What percent of her income goes for rent?
: Nancy goes to a restaurant and leaves a tip that is equal to 18% of the bill they receive. If she leaves a tip of $6.30, what was the total amount of bill they received.
: If 60% of the students in a class are boys and 12 of the students in the class are girls. What is the total number of students in the class.
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