Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 2: Percents; Lesson 5: Percent of Change


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  • Question 25 (request help)

    Dario increased his savings from $350 to $413, while Monica increased her savings from $225 to $270. Fill in each blank below to write a true statement.

  •    \(\large \text{ had a higher percent of increase in savings.The difference in the percents of increase is }\)
       \(\large \text{ %.}\)
  • Question 26 (request help)

    The line graph shows the level of the Elk River during a period of heavy rainfall.

    Find the percent of increase in the river level from Monday to Tuesday, from Tuesday to Wednesday, from Wednesday to Thursday, and from Thursday to Friday. Round to the nearest tenth of a percent if necessary. Sort the percents of increase between consecutive days from least to greatest.

         

Find each sum.

  • Question 30 (request help)

    The distances around Earth at the equator and through the North and South Poles are shown at the right. How many miles would you travel if you circled Earth along both routes?

  •    \(\large \text{ km}\)
  • Question 31 (request help)

    The table shows the prices of various grocery items. What is the cost of 3 cans of chicken broth and 2 cans of vegetable soup?

  • \(\large$ \)   

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