Grade 7 McGraw Hill Glencoe - Answer Keys Answer keys

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Grade 7 McGraw Hill Glencoe - Answer Keys

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Question 1 (request help)
Veronica is mulching her front yard. The total weight of mulch varies directly with the number of bags of mulch. What is the rate of change?

Question 2 (request help)
The Spanish club held a car wash to raise money. The equation y = 5x represents the amount of money y club members made for washing x cars. Identify the constant of proportionality. Then explain what it represents in this situation.
$\large k = $
Explain:

Question 3 (request help)
A technician charges $25 per hour plus $50 for a house call to repair home computers. Make a table and a graph to show the cost for 1, 2, 3, and 4 hours of home computer repair service. Is there a direct variation?