Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys


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  Independent Practice  

Write and simplify an expression for each situation.

  • Question 9 (request help)

    A company rents out 15 food booths and 20 game booths at the county fair. The fee for a food booth is $100 plus $5 per day. The fee for a game booth is $50 plus $7 per day. The fair lasts for d days, and all the booths are rented for the entire time. Write and simplify an expression for the amount in dollars that the company is paid.
  •     +
    		   d
  • Question 10 (request help)

    A rug maker is using a pattern that is a rectangle with a length of 96 inches and a width of 60 inches. The rug maker wants to increase each dimension by a different amount. Let l and w be the increases in inches of the length and width. Write and simplify an expression for the perimeter of the new pattern.
  •     +
    		   l +
    		   w

In 11–12, identify the two factors that were multiplied together to form the array of tiles. Then identify the product of the two factors.

  • Question 13 (request help)

    Explain how the figure illustrates that 6(9) = 6(5) + 6(4).
  • Type below:

In 14–15, the perimeter of the figure is given. Find the length of the indicated side.

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