Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys
Chapter 4: Rates and Proportionality; Lesson 1: Unit Rates


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  • Question 13 (request help)

    Analyze Relationships

    Eli takes a typing test and types all 300 words in \(\large\frac{1}{10}\) hour. He takes the test a second time and types the words in \(\large\frac{1}{12}\) hour. Was he faster or slower on the second attempt? Explain.
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  • Question 14 (request help)

    Justify Reasoning

    An online retailer sells two packages of protein bars.

    a. Which package has the better price per bar?

     
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  • Question 14 (request help)

    b. Which package has the better price per ounce?
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  • Question 14 (request help)

    c. Which package do you think is a better buy? Justify your reasoning.
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  • Question 15 (request help)

    Check for Reasonableness

    A painter painted about half a room in half a day. Coley estimated the painter would paint 7 rooms in 7 days. Is Coley’s estimate reasonable? Explain.
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  • Question 16 (request help)

    Communicate Mathematical

    Ideas If you know the rate of a water leak in gallons per hour, how can you find the number of hours it takes for 1 gallon to leak out? Justify your answer.
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