Chapter 5 OST Review (7th Grade)

1. Mary buys p peaches at the farmer’s market for d dollars each.   She spends a total of t dollars on peaches.

Create an equation that represents the relationship between t and p. (no spaces)

1. The table shows the number of songs and the length of each music playlist.  Each song is the same length.  

How long, in minutes, is each song on the playlist?

1. Tim is clearing brush from a large piece of land.  The table shows how many acres he has cleared over time.

How many days does it take Tim to clear 1 acre?

1. Angelo drew the two rectangles shown.  The second is a scale drawing of the first. 

What scale factor did Angelo use to draw the second rectangle?

• 2.5
• 3.5

• 4

• 1.75

• 2

1. A dance studio offers ballet and hip-hop classes.  The studio has 8 ballet classes for every 12 hip-hop classes.  

How many hip-hop classes are there for each ballet class?

1. A bread company makes wheat dough and rye dough each day.  The company makes 15.2 pounds of wheat dough for every 9.5 pounds of rye dough.

How many pounds of wheat dough does the company make for each pound of rye  dough?

1. The table shows the cost for different numbers of song downloads.  

Which table shows a proportional relationship?

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9. A scientist records the number of deer observed in three areas of a forest.  The table shows her observations.

How many deer per square mile did the scientist observe in the forest? (don't label - number only)