Finding Percents with Proportions - Examples & Practice
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- (Video) Percent Proportion by NSVolley28 NSVolley28 has a quick video that shows how to use proportions and cross multiplication to find percents. Summary\large{\text{Summary}}S…
By Ben Ferrara, Alex Federspiel, Expii Solve, Amy Feraco, Jonathan Heller, Anusha Rahman
- Using Proportions to Find Percentages Sometimes, you'll be asked to find a percentage of a number that's not 101010 or 100100100—or any other number that you can easily work wit…
By Hannah Bonville, Alex Federspiel, Expii Solve, Jonathan Heller, Anusha Rahman
- Using Proportions to Find Percents Let's say you're given two quantities, aaa and bbb, and you want to find what percentage aaa is of bbb. Let xxx represent this percentage. The…
By Caroline K, Alex Federspiel, Anusha Rahman
Problems 50
- What is 1119%11\frac19\%1191% of 900900900?
- Ben has 707070 video games. He decides he is wasting too much time playing games and plans to sell 30%30\%30% of his games. How many games will Ben have after the sale?
- Your phone battery lasts 242424 hours. The phone buzzes and says it is on low battery. It has 15%15\%15% charge left. Assuming the battery runs out at a consistent rate, how man…
- What is 75%75\%75% of 808080?
- What is 90%90\%90% of 900090009000?
- What is 0.5% of 200?
- What is 9%9\%9% of 200200200?
- Find 25% of 200. Now find 15% of that. What is that number?
- What percent of 818181 is 272727?
- What percent of 144144144 is 363636?
- What percent of 777 is 4.94.94.9?
- What percent of 300300300 is 303030?
- Joe has 5,0005,0005,000 feet of Christmas lights. Every year he decorates his house for a beautiful light show. If Joe uses 3,5003,5003,500 feet of his lights to cover the sides…
- What percent of 727272 is 181818?
- In 201220122012, 212121 out of 606060 American drivers knew how to drive a standard shift car. What percent is that?
- If a positive number xxx has the property x%x\%x% of xxx is 9,9,9, find xxx.
- 15%15\%15% of 600600600 is the same as 36%36\%36% of what number?
- What percent of 125125125 is 18.7518.7518.75?
- What percent of 300300300 is 606060?
- 454545 is 30%30\%30% of what number?
- Juliet went to her favorite store and found three shirts and a pair of pants for 181\181181. This whole purchase was on sale for 15%15\%15% off, and in addition, Juliet had a co…
- A softball pitcher won 63%63\%63% of the games she pitched. If she pitched 545454 games, how many games did she win (rounded to the nearest whole game)?
- Ron, an architect, worked 414141 weeks out of the year. What percent of the year did he work? Round your answer to the nearest hundredth.
- A team is made up of 111111 women, and the rest are men. If 71.75%71.75\%71.75% of the team are women, how many people total are on the team? Round your answer to the nearest wh…
- Choose the greatest value of those given below:
- Katie used 35%35\%35% of her car's gas in January and then used 25%25\%25% of what remained in February. At the beginning of January, she had 141414 gallons of gas in her tank. …
- A golf set was on sale for 365.70 dollars. The original cost was 399 dollars. What percent of the original price was the sale price?
- A test is graded out of 777777 points. If Janice receives extra credit and gets a 102%102\%102% on the test, how many points did she earn?
- Evan has 12.5%12.5\%12.5% of the walnuts he needs for a baking recipe. If the recipe calls for 240240240 g of walnuts, how many grams of walnuts does he need to buy to have enou…
- Due to high levels of competition, 62%62\%62% of restaurants in Joel's town will shut down in the next few years. If there are currently 585858 restaurants in the area, how many…
- Your cat weighs 7.87.87.8 pounds, while your dog weighs 65.465.465.4 pounds. What percent of your dog's weight is the weight of your cat?
- Lily's height is 94%94\%94% of Jarod's height. If Lily is 555 feet and 777 inches, approximately how tall is Jarod?
- If Ned finds a pair of pants with the price reduced from 56\5656 to 35\3535, what percent of the original price is the sale price?
- Dr. Beck treats 16%16\%16% of a hospital's total number of patients. If he treats 142142142 people, how many patients does the hospital have in total?
- If you buy all of these paintings, how many years will it take to make your money back? Round your answer to the nearest hundredth
- Before the 15th Amendment was passed in 1919, women had to rely on men to represent them in the voting booth. Suppose that in a town, half the voting-age public are women and ha…
- During the regular hockey season the goalie's save percentage is 90.65%90.65\%90.65% (the goalie stopped 90.65%90.65\%90.65% of shots against him). If there were 1,4231,4231,423…
- One of the best goalie's to ever play hockey has played in seven hundred and thirty seven games throughout his career. In those games he has saved 19,05019,05019,050 goals and a…
- A goal tender saved 1,2761,2761,276 goals and allowed 100100100 goals this season. Last season this same goal tender's save percentage was 90.9%90.9\%90.9%. Which season did the…
- What percentage of the drink is black coffee?
- Currently, the highest scoring basketball player, player A, has attempted 528528528 free throws in his career and made 396396396 of them. The second highest scoring basketball p…
- What percentage of the drink is half & half?
- A basketball player has attempted 532532532 free throws throughout his career. If his overall free throw percentage is 91.5%91.5\%91.5%, how many total free throws has he made? …
- What is the percentage of stores not doing any sales?
- There are approximately 4,000,2794,000,2794,000,279 people born in the U.S. per year. Of these people, 8.27%8.27\%8.27% of them are born in November. Given this information, fin…
- Kiara ordered 121212 boxes of pizza for an event she is organizing. Out of the 121212 boxes, 555 boxes are cheese pizzas, 444 boxes are meat pizzas, and 333 boxes are veggie piz…
- Who spent a higher percentage of money on vegetables?
- What percentage of 11 is 15?
- The popcorn stands at the movies are keeping track of the flavors of popcorn sold. There are 333 flavors offered: caramel chocolate chunk, kettle, and butter. In one night, 1010…
- What percent of 272727 is 818181?