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1 STANDARDS Problem 1 Problem 4 Problems 3 Problem 2 Problem 5 Problem 6 FINDING THE DISCOUNT OF A PRICE AND THE COMMISSION OF A SALE. END SHOW PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

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2 1.3 Convert fractions to decimals and percents and use these representations in estimations, computations and applications. 1.3 Convertir fracciones a decimales y porcentajes y usar estas representaciones en estimaciones, cálculos y aplicaciones. GRADE 7: Number Sense 1.7 Solve problems that involve discounts, markups, commissions, and profit and compute simple and compound interest. 1.7 Resolver problemas que involucran descuentos, comisiones, y ganancias y a calcular interés simple y compuesto. PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

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3 STANDARDS A department store is selling 49s shirts for $13.0 with a 34% off. How much is the discount in dollars? 34 100 $13= 0.34 x $13 = $4.42 $4.42 is the 34% OFF the regular price. What is the price after the discount? $13.00 Original price – 4.42 Discount in dollars $ 8.58 Price after 34% discount 34% are 34 hundredths of $13 Calculating the discount: PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

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4 STANDARDS A disc from Banda Los Bravos de Fresno is on sale with 44% OFF the regular price of $15.0. What is the final sale price? 44 100 $15= 0.44 x $15 = $6.6 $6.6 is the 44% OFF the regular price. What is the price after the discount? $15.0 Original price – 6.6 Discount in dollars $ 8.4 Final Price after 44% OFF 44% are 44 hundredths of $15 Calculating the discount: PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

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5 STANDARDS The tickets for a Football game are on sale, at 5%OFF the original price of $25. What is the price per ticket after the discount? 5 100 $25= 0.05 x $25 = $1.25 $1.25 is the 5% OFF the regular price. What is the price after the discount? $25.00 Original price – 1.25 Discount in dollars $ 23.75 Cost per ticket after the 5% OFF 5% are 5 hundredths of $25 Calculating the discount: PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

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6 STANDARDS A prestigious university is offering a discount in tuition to minority students. The discount is 80% OFF the $550.0 per unit. What is the cost per unit after the discount? 8 10 $550 = 0.8 x $550 = $440 $440 is the 80% OFF the regular cost per unit. What is the cost per unit after the discount? $550 Original cost per unit – 440 Discount in dollars $ 110 Cost per unit after the 80% OFF 80% are 8 tenths of $550 Calculating the discount: PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

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7 STANDARDS A group of students is fundraising by selling Milk Chocolates for $10 a box. They are promised a 17% commission per box. What is the commission they would be making in dollars out of each box? 17 100 $10= 0.17 x $10 = $1.7 $1.7 is the 17% they will making out of each book they sell. 17% are 17 hundredths of $10 Calculating the commission: PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

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8 STANDARDS A young student is paying his tuition by selling cars during the mornings in a car lot near his college. He sold a used car in $8,700.0 and he was given a 3% commission for the sale. How much money did he get in the deal? 3 100 $8,700 = 0.03 x $8,700 = $609 $609 is the 3% that the student got as commission from the used car deal. 3% are 3 hundredths of $8,700.0 Calculating the commission: PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

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Copyright ©, Long Beach Unified School District. All rights reserved. - Grade 7 MAP 2 D Ratios and Proportions.

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