Solving Equations

Andre wants to buy a backpack. The normal price of the backpack is $40. He notices that a store that sells the backpack is having a 30% off sale. What is the sale price of the backpack?

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CCSS.6.RP.A.3C

On the first math exam, 16 students received an A grade.  On the second math exam, 12 students received an A grade. What percentage decrease is that?

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CCSS.6.RP.A.3C

2(x-3) = 14

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CCSS.7.EE.B.4A

-5(x-1) = 40

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CCSS.7.EE.B.4A

12(x+10) = 24

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CCSS.7.EE.B.4A

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CCSS.7.EE.B.4A

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CCSS.7.EE.B.4A

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CCSS.7.EE.B.4A

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CCSS.6.EE.B.7

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CCSS.6.EE.B.7