Open Up - Grade 7 - Mathematics - Unit 6 - Lesson 12

A backpack normally costs $25 but it is on sale for $21. What percentage is the discount?(round to the nearest whole percent)

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Find each product.

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Find each product.

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Find each product.

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Find each product.

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Complete each sentence with the word discount, deposit, or withdrawal.Clare took $20 out of her bank account. She made a _____.

• discount
• deposit
• withdrawl

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Complete each sentence with the word discount, deposit, or withdrawal.Kiran used a coupon when he bought a pair of shoes. He got a _____.

• discount
• deposit
• withdrawl

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Complete each sentence with the word discount, deposit, or withdrawal.Priya put $20 into her bank account. She made a _____.

• discount
• deposit
• withdrawl

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Complete each sentence with the word discount, deposit, or withdrawal.Lin paid less than usual for a pack of gum because it was on sale. She got a _____.

• discount
• deposit
• withdrawl

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Here are two stories:The initial freshman class at a college is 10% smaller than last year’s class. But then during the first week of classes, 20 more students enroll. There are then 830 students in the freshman class.A store reduces the price of a computer by $20. Then during a 10% off sale, a customer pays $830.Here are two equations:0.9x + 20 = 8300.9(x - 20) = 830Explain why one equation has parentheses and the other doesn’t

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