Quarter 4 Test 10 XIVI. Percents, Fractions & Decimals XLVII. Problem Solving with Percents XLVIII. Sales Tax, Discounts & Tipping.

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Presentation transcript:

Quarter 4 Test 10 XIVI. Percents, Fractions & Decimals XLVII. Problem Solving with Percents XLVIII. Sales Tax, Discounts & Tipping

Find the discount and the sale price. List Price: $24 Rate of discount 10% Discount=________ Sale Price=_________ $24 x.10 $2.40 $ = $21.60 original price discount sale price

In a high school survey, it was found that 240 of 600 students walk to school. What percent of the students walk to school? 240 =.40=40% 600 OR 240 = = p (100)=5p 200 = 5p 5 5 p = 40%

There are 650 muscles in the human body. It takes 17 muscles to smile. To the nearest percent, what percent of all your muscles are needed to smile? 17 =.026 (100) = 2.6% 3% 650 fraction decimal percent rounded to nearest percent

Between 1924 and 1998, the United States won a total of 161 medals in the Winter Olympic Games. If the United States won 59 silver and 42 bronze medals rounded to the nearest percent, what percent of its medals were gold medals? 59+42=101 (silver + bronze) = 59 (total – silver + bronze = gold) 59= decimal fraction.368(100) = 36.8% 37%

In a School election, 48% of the 200 voters voted for Tara. How many people did not vote for Tara? 200(.48) = 96 people voted Tara therefore 200 – 96 = 104 did not vote for Tara

A Pair of sneakers, regularly priced at $84, is on sale for 20% off. Find the sale price. 84(.20)= =$67.20

If the dinner bill was $82.12 and you wanted to leave a 20% tip for the waiter, what would the cost of the dinner and the tip be?.2(82.12) =16.40 (round to the nearest dollar) = $16 $ $16 = $98.12 cost of dinner tip dinner including tip

Compare Use or =. 1) 75%_____ 3 / 5 2) 324%_____3 1 / 4 3) 27%_____.027 4).375_______ 6 / 16 5).4000______40% 1) > 2) < 3) > 4) = 5) =