7LRIS Unit 5 Ratio and Proprotions Test

1) Monica reads 7 1/2 pages in 12 minutes. What is his average reading rate in pages per minute?

Write your answer as a fraction and label it pages/minute.

2) The number of pictures that can print per minute are shown in the table.

How many pictures are printed after 1 minute?

2) The number of pictures that can print per minute are shown in the table.

How many minutes does it take to print 40 pictures?

2) The number of pictures that can print per minute are shown in the table.

2) How many pictures are printed after 9 minutes?

3) Solve the proportion.

Write your answer like: t = 7

4A) You can buy 5 pounds of grapes for $9.75.

Write a UNIT RATE EQUATION that can be used to find the total cost.

(Hint: y = _______x

4B) You can buy 5 pounds of grapes for $9.75.

How much will it cost to buy 4 pounds of grapes?

Write your answer like: $6.90.

5A) The graph shows the amount of money earned at a job.

What does the point (4,100) represent?

5B) The graph show the amount of money earned at a job.

What is the unit rate?

Label it $/hr

5C) How much money will be earned for 9 hours of work?

6) Given the following two ratios, determine if they form a proportion. (Show your work).

7) If Jessica has an average of 3 hits in every 9 times at bat, about how many times at bat would it take her to get 25 hits?

(Hint: Set up a proportion and solve)

8) Walmart sells a case of 24 cans of Pepsi for $6.48.

Lin's sells a case of 12 cans of Pepsi for $3.36.

Which is a the best buy? (Show your work)