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Ratio and Proportion Review

Ratio and Proportion Review. Unit 2 Test. Unit Rates. The cost of fabric at three different stores are shown below. Which store offers the best deal on fabric? How do you know? Fabric Barn $3.75 for 2 yards Sew What $8.00 for 4 yards Threads and Such $ 9.50 for 9 yards.

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Ratio and Proportion Review

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  1. Ratio and Proportion Review Unit 2 Test

  2. Unit Rates The cost of fabric at three different stores are shown below. Which store offers the best deal on fabric? How do you know? Fabric Barn $3.75 for 2 yards Sew What $8.00 for 4 yards Threads and Such $9.50 for 9 yards

  3. Proportions

  4. Explain why the following graph does not represent a proportional relationship.

  5. Andrea is purchasing raffle tickets in hopes of winning a new bike. She can purchase a pack of 4 tickets for $24 or a pack of 12 tickets for $48. Her friend, Samantha, told her it did not matter which pack she bought, since each raffle ticket cost the same amount. Is Samantha correct?

  6. You are planning a party and will use the graph to help determine how much soda to purchase. Explain what each of the following points on the graph represent in terms of the situation. (0, 0) (6, 24) (1, 4)

  7. Scale Drawing • Draw a picture showing the wall in your living room with a book shelf set into the wall. You have decided to paint the area around your bookshelf. Determine the area that needs to be painted in square feet. (3 pts) • The scale drawing of the wall is 10 in long by 7 in high. The shelf is 3 in wide by 6 in high. The scale is 2 in = 3 ft. Find the area that needs to be painted (around the book shelf).

  8. Scale Factor • What is the scale factor in the previous problem (Scale is 2 in = 3 ft)

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