Retest - Equations and Inequalities

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CCSS.7.EE.B.4B

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CCSS.7.EE.B.4B

Pam bought 5 bags of chips, and paid with a $20 bill. She received $3.75 in change. Each bag cost the same amount. What is the price of each bag of chips?

• $3.25

• $16.25

• $15

• $1.25

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CCSS.7.EE.B.3

The greatest weight a moving truck can carry is 1,600 pounds. The truck is loaded with a piano that weighs 400 pounds. Boxes that weigh 50 pounds each will also be loaded into the truck.

Which inequality represents all possible values of x, the number of these boxes that can be loaded into the moving truck?

Tags

CCSS.7.EE.B.4B

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

Which equation is true when k = -15?

• 3k - 11 = -34

• -53 + 4k = 7

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CCSS.6.EE.B.5

Mathematical Equivalence

ON

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CCSS.4.NF.B.4C

CCSS.4.NF.B.4B

Sandra is saving up money to buy a car.

• The car costs $10,000.

• She received $1000 from her grandparents to go towards a car.

• She earns $500 per month babysitting.

• Write an inequality that represents how many months it will take for Sandra to have at least enough money to purchase the car.

Tags

CCSS.7.EE.B.4B

Which situation is best represented by the following equation?

45w + 123.95 = 753.95

• Erica paid $753.95 for dance classes. She paid $123.95 registration fee and $45 for each week she was enrolled in the classes. What is w, the number of weeks Erica was enrolled in dance classes?

• Erica paid $753.95 for dance classes. She paid a $45 registration fee and $123.95 for each week she was enrolled in the classes. What is w, the number of weeks Erica was enrolled in dance classes?

• Erica and her sister paid $753.95 for dance classes. Erica paid $123.95 for each week she was enrolled in the classes. What is the w the number of weeks Erica and her sister were enrolled in the dance classes?

• Erica paid $753.95 for dance classes. She paid $123.95 for each week she was enrolled in the classes after using a coupon that gave her $45 off the price per week. What is w, the number of weeks Erica was enrolled in dance classes?

Tags

CCSS.HSA.CED.A.3

An equation is modeled below. What value of x makes the equation true?

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.4A