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Workbook 6-3

Workbook 6-3. C B A C B A C A > < < > = > 140% 137% 0.8% 525% 170% 162.5% 185% 1.4% 112.5% 0.3% 180% 0.25% 530% 0.41% 8.3% 0.09% 83% 2,000% 1.75; 1 ¾ 1.2; 1 1/5 0.004; 1/250 0.00625; 1/160 7.5; 7 ½ 8.25; 33/4 About 0.89% About.31%. GPS 6-3.

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Workbook 6-3

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  1. Workbook 6-3 C B A C B A C A > < < > = > 140% 137% 0.8% 525% 170% 162.5% 185% 1.4% 112.5% 0.3% 180% 0.25% 530% 0.41% 8.3% 0.09% 83% 2,000% 1.75; 1 ¾ 1.2; 1 1/5 0.004; 1/250 0.00625; 1/160 7.5; 7 ½ 8.25; 33/4 About 0.89% About.31%

  2. GPS 6-3 The snow pack was 126% of the average snow pack. Write the percent as a decimal and as a fraction in simplest form. Divide by 100. 126; 100 1 13/50 1.26 126; yes 33/50

  3. Problem Solving with Percents When solving a problem with a percent greater than 100%, the part will be greater than the whole.

  4. There are three types of percent problems:1) finding a percent of a number,2) finding a number when a percent of it is known, and3) finding the percent when the part and whole are known 1) what is 60% of 30? 2) what number is 25% of 160? 3) 45 is what percent of 90?

  5. Solving Equations Containing PercentsMost percent problems are word problems and deal with data. Percents are used to describe relationships or compare a part to a whole. Sloths may seen lazy, but their extremely slow movement helps make them almost invisible to predators. Sloths sleep an average of 16.5 hours per day. What percent of the day do they sleep? Solution

  6. Equation MethodWhat percent of 24 is 16.5.n · 24 = 16.5n = 0.6875n = 68.75% Proportional method Part Part Whole Whole

  7. Solve the following percent problems 1) 27 is what percent of 30? 2) 45 is 20% of what number? 3) What percent of 80 is 10? 4) 12 is what percent of 19? 5) 18 is 15% of what number? 6) 27 is what percent of 30? 7) 20% of 40 is what number? 8) 4 is what percent of 5?

  8. 10) A computer that normally costs $562.00 is on sale for 30% off. If the sales tax is 7%, what will be the total cost of the computer? Round to the nearest dollar. 11) Teddy saved $63.00 when he bought a CD player on sale at his local electronics store. If the sale price is 35% off the regular price, what was the regular price of the CD player? 9) The warehouse of the Alpha Distribution Company measures 450 feet by 300 feet. If 65% of the floor space is covered, how many square feet are NOT covered?

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