Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys


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Extra Practice

Find each unit rate. Round to the neatest hundredth if necessary.

  • Question 20 (request help)

    Justify Conclusions A grocery store sells a 6-pack of bottled water for $3.79, a 9-pack for $4.50, and a 12-pack for $6 89. Which package costs the least per bottle? Explain your reasoning
  •    package
  • Question 21 (request help)

    Justify Conclusions Dalila  earns $108.75 for working 15 hours as a holiday helper wrapping gifts. At this rate, how much money will she earn if she works 18 hours the next week? Explain.
  • $    
  • Question 22 (request help)

    Use Math  Tools Use the graph that shows the average number of heartbeats for an active adult brown bear and a hibernating brown bear.


    a. What does the point (2, 120) represent on the graph?
    b. What does the ratio of the y-coordinate to the x-coordlnate for each pair of points on the graph represent?
    c. Use the graph to find the bear's average heart rate when it is active and when it is hibernating.
  • Active bear:   heartbeats per min.
    Hibernating bear:   heartbeats per min.

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