Dr Fowler CCM Percents Percent proportion Many word
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Dr. Fowler CCM Percents
Percent proportion Many word problems can be solved using the formula “is over of equals percent over 100. ” The value of the is & of come from the problem The 100 stays the same in all problems The number here is already a percent, just replace with the number
Percent proportion 4 is 50% of 8 is 4 = 50 % of 8 100 10 is 20% of 50 10 is = 20 % of 50 100
Percent proportion What number is 5% of 40? Use cross product to solve the Solve the proportion equation by Write a sentence the asdoing an answer opposite x is x = % 5 5 = of 40 100 100 x = 5 40 100 x = 200 100 x=2 5% of 40 is 2
Percent proportion 72 is 6% of what number? Use cross product to solve the Solve the proportion Write a sentence by asequation an answer doing the opposite 72 72 is = % 6 6 = of x 100 6 x = 7200 6 6 72 is 6% of x = 1, 200
Percent proportion 8 is what percent of 40? Use cross product to solve the Solve the proportion equation by Writedoing a sentence the as opposite an answer 8 is 8 = % x x = of 40 100 40 x = 800 40 40 x = 20 8 is 20% of 40
Practice Percent proportion 50 is 20% of what number 50 is = 20 % of x 100 20 x = 5000 20 20 x = 250 What number is 45% of 180 is x = 45 % of 100 180 100 x = 45 180 100 x = 8100 100 x = 81
Practice Percent proportion What percent of 90 is 36? 36 is = % x of 90 100 90 x = 3600 90 90 x = 40 What percent of 185 is 35 35 is = % x of 100 185 x = 3500 185 x = 18. 9
Percent proportion Mateo answer 20 question out of 25 in his Math test. What percent of the test does he answer correctly? 20 20 is = % x x = of 100 25 25 x =20 100 25 x = 2000 25 25 x = 80 cross Write. Use a sentence to as product an answer solve the Solve the proportion equation by doing the He answered opposite 80% of the test correctly.
Percent proportion There are 300 students in 7 th grade, 30% are in Mr. Montoya’s class. How many students are in his class? x is x = % 30 30 = 300 of 100 300 100 x =30 300 100 x = 9000 100 x = 90 cross Write. Use a sentence to as product an answer solve the Solve the proportion equation by doing the Heopposite has 90 students in his class.
Percent proportion A serving of ice cream contains 240 calories. 144 calories comes from fat. What percent of the total calories comes from fat ? is 144 x 144 % x = = 240 of 100 240 x =144 100 240 x = 14400 240 x = 60 cross Write. Use a sentence to as product an answer solve the Solve the proportion equation by doing the 60% of the opposite calories comes from fat.
Percent proportion Mrs. Finnegan has a large container of olive oil. She has used 2 quarts of oil, seventy-five percent of the olive oil remains. How many quarts of oil remains ? 2 25 = x 100 25 x =2 100 25 x = 200 25 25 x=8 is 2 = % 25 x 100 of cross Write. Use a sentence to as product an answer solve the Solve the proportion equation by doing the She has 8 more opposite quarts of olive oil.
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