Open Up - Grade 7 - Mathematics - Unit 6 - Lesson 17

28 students travel on a field trip. They bring a van that can seat 12 students. Elena and Kiran’s teacher asks parents to drive cars that seat 3 children each to transport the rest of the students.Elena wonders if she should use the inequality 12 + 3n > 28 or 12 + 3n \geq 28 to figure out how many cars are needed. Kiran doesn’t think it matters in this case. Do you agree with Kiran?

• I agree with Kiran
• I do not agree with Kiran

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7.EE.4.b

How are the problems in question 2 and 3 similar? How are they different?

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7.EE.4.b

Solve each equation.

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7.EE.4.b

Solve each equation.

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7.EE.4.b

Solve each equation.

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7.EE.4.b

Solve each equation.

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7.EE.4.b

Select all the inequalities that have the same graph as x < 4.

• x < 2
• x + 6 < 10
• 5x < 20
• x - 2 > 2
• x < 8

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7.EE.4.b

A 200 pound person weighs 33 pounds on the moon.How much did the person’s weight decrease?

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7.EE.4.b

A 200 pound person weighs 33 pounds on the moon.By what percentage did the person’s weight decrease?(Round to the nearest whole percent)

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7.EE.4.b