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7LRIS WS #21 Unit 5 Review
By Janelle Warby
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Last updated about 5 years ago
18 questions
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Question 1
1.
1) Carlos reads 8 1/3 pages in 5 minutes. What is his average reading rate in
pages per minute
?
Write your answer as a mixed number and
label it pages/minute
.
Question 2
2.
2) Ashley rides her bike 8 miles in 50 minutes. What is her average biking rate in
miles per minute
?
Write your answer as a decimal and
label it miles/minute
.
Question 3
3.
3) Solve for n:
Write your answer like: n = 7.
Question 4
4.
4) Solve for x:
Write your answer like: x = 7
Question 5
5.
5) You can buy six burgers for $15. Write the
UNIT RATE EQUATION
that gives the cost per burger.
Write you answer like this:
y =
the UNIT RATE
x
Question 6
6.
5a) How much would it cost to buy 10 burgers?
Remember to include the dollar sign.
example: $15
Question 7
7.
6) How much is earned in 1/2 an hour?
Write answer like this: $1.25
Question 8
8.
6) How much is earned in 2 hours?
Write answer like this: $1.25
Question 9
9.
6) If you have earned $27, then how many hours have you worked?
Write answer like this: 2
Question 10
10.
6) How much is earned in 7 hours?
Write answer like this: $1.25
Question 11
11.
6a) What does the point (4, 36) on the table and graph represent?
Write your answer like this:
$9 in 1 hour
Question 12
12.
6b) What is the unit rate?
Remember to label your answer like this:
$3/hr
Question 13
13.
6c) Write the unit rate equation:
Write you answer like this:
y =
the UNIT RATE
x
Question 14
14.
6d) How much would you make in 40 hours?
Write answer like this: $1.25
Question 15
15.
7) Determine if the following two ratios are proportional. PROVE you answer on your paper.
Proportional
Not Proportional
Question 16
16.
8) Determine if the following two ratios are proportional. PROVE you answer on your paper.
Proportional
Not Proportional
Question 17
17.
9) Lin's sells a 6 oz. can of sliced pineapple for $0.90 and a 9 oz. can for $1.25. Which is the better buy
6 oz. can for $0.90
9 oz. can for $1.25
Question 18
18.
Susie can make 48 cookies in 3 hours. How many cookies can she make in 7 hours?
Hint:Set up a proportion & solve.