Grade 7 HMH Go Math - Answer Keys Answer keys

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Grade 7 HMH Go Math - Answer Keys

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Question 15 (request help)
A movie theater offers popcorn in two different containers for the same price. One container is a trapezoidal prism with a base area of 36 square inches and a height of 5 inches. The other container is a triangular prism with a base area of 32 square inches and a height of 6 inches. Which container is the better deal? Explain.
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H.O.T.

Focus on Higher Order Thinking

Question 16 (request help)
Critical Thinking

The wading pool shown is a trapezoidal prism with a total volume of 286 cubic feet. What is the missing dimension?

ft.

Question 17 (request help)
Persevere in Problem Solving

Lynette has a metal doorstop with the dimensions shown. Each cubic centimeter of the metal in the doorstop has a mass of about 8.6 grams. Find the volume of the metal in the doorstop. Then find the mass of the doorstop.

grams

Question 18 (request help)
Analyze Relationships

What effect would tripling all the dimensions of a triangular prism have on the volume of the prism? Explain your reasoning.
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Question 19 (request help)
Persevere in Problem Solving

Each of two trapezoidal prisms has a volume of 120 cubic centimeters. The prisms have no dimensions in common. Give possible dimensions for each prism.
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