Word Problems- Percents

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Notes

Primary Notes for Percent Increase and Percent Decrease Formula

Secondary Notes for Percent Increase and Percent Decrease Formula


Questions

\(\textbf{1)}\) A sweater costs \($30\) and a shirt costs \($12\). During a \(10\%\) off sale, how much more does the sweater cost than the shirt?


\(\textbf{2)}\) A number added to \(30\%\) of the same number is \(52\). What is the number?Link to Youtube Video Solving Question Number 2


\(\textbf{3)}\) Jessica collects rocks. She started the week with \(20\) rocks. Later in the week she traded \(3\) of her rocks to Steve for \(12\) of his rocks. She then sold \(5\) to her brother. After all of this, what is the percent of increase in Jessica’s rock collection?Link to Youtube Video Solving Question Number 3


\(\textbf{4)}\) A hat is on sale for \(15\%\) off the original price. The sale price is \($34.00\). What is the original price?Link to Youtube Video Solving Question Number 4


\(\textbf{5)}\) A cookie jar is half full. After adding \(6\) cookies it is \(75\%\) full. How many cookies can the jar hold if it is completely full?Link to Youtube Video Solving Question Number 5


\(\textbf{6)}\) At a school, exactly \(410\) students are seniors. \(40\%\) of the students at the school are seniors. How many students attend the school in total?Link to Youtube Video Solving Question Number 6


\(\textbf{7)}\) If \(45\%\) of \(200\) is equal to \(300\%\) of x. What is x? Link to Youtube Video Solving Question Number 7


\(\textbf{8)}\) What is the total price on a \($45.95\) sweater with \(7\%\) sales tax? Link to Youtube Video Solving Question Number 8


\(\textbf{9)}\) A hat that originally costs \($20\) is on sale for \(20\%\) off. What is the sale price?Link to Youtube Video Solving Question Number 9


\(\textbf{10)}\) Anna got paid $714. They took out \($152\) in taxes. What percent of her income was taken out for taxes?


\(\textbf{11)}\) A TV normally costs \($600\). You have a \(15\%\) off coupon. How much is the TV after the coupon is applied?Link to Youtube Video Solving Question Number 11


\(\textbf{12)}\) A hat originally cost $40. It was on sale for 25% off, but there is 7% sales tax added to the sales price. You have saved $32. Do you have enough money saved to buy the hat? If yes, how much extra do you have? If no, how much will you need to borrow?


\(\textbf{13)}\) Steve saved $20 on a sweater that was marked down 62.5%. How much did he pay (what was the sale price)? What was the original price?


\(\textbf{14)}\) Harry wanted to buy a book that cost $20 last week. This week he came back and it cost $25. What was the percent change (magnitude and direction) in the price of the book? Show your work.


\(\textbf{15)}\) Harry waited on the $25 book. It was just too expensive for him. But after Christmas, he saw that it was on sale for $20. What was the percent change (magnitude and direction) in the price of the game? Show your work.


\(\textbf{16)}\) The price of an hour of babysitting was $7.50 in 2000. In 2010, the price was $15. What was the percent change (magnitude and direction) in the price of the babysitting? Show your work.


\(\textbf{17)}\) A toy decreased in price from $40 to $10 in the last 5 years. What was the percent change (magnitude and direction) in the price of the toy? Show your work.



See Related Pages\(\)

\(\bullet\text{ Converting Percents to Decimals}\)
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\(\bullet\text{ Converting Percents, Decimals and Fractions}\)
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\(\bullet\text{ Percent Problems}\)
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\(\bullet\text{ Percent Increase and Decrease}\)
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