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Unit 3

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Which ratio could be used to compare the number of triangles to the number of squares in the pattern?
mc001-1.jpg
a.
11:9
c.
9:20
b.
9:11
d.
11:20
 

 2. 

Which ratio could be used to compare the number of triangles to the number of squares in the pattern?
mc002-1.jpg
a.
7:5
c.
5:12
b.
5:7
d.
12:7
 

 3. 

A rectangular yard is 10 feet long by 7 feet wide. What is the ratio of the width of the yard to the perimeter of the yard?
a.
7 to 17
b.
7 to 34
c.
17 to 34
d.
34 to 7
 

 4. 

A race walker completed a 13 mile walk in 2.5 hours. What is the walker's speed?
a.
0.19 mi/h
c.
10.5 mi/h
b.
32.5 mi/h
d.
5.2 mi/h
 

 5. 

Bill drove 315 miles in 7 hours, Alisha drove 235 miles in 5 hours, and Joanne drove 414 miles in 9 hours. Which person drove at an average speed of 47 miles per hour?
a.
Alisha
b.
Joanne
c.
Bill
d.
Both Joanne and Bill
 

 6. 

Which ratio is equivalent to mc006-1.jpg?
a.
5 to 100
c.
140 to 21
b.
100 to 5
d.
21 to 140
 

 7. 

Which is the best buy?
a.
$19.25 for 11 candy bars
c.
$17.30 for 10 candy bars
b.
$15.39 for 9 candy bars
d.
$22.62 for 13 candy bars
 

 8. 

Steel alloys are formed by mixing certain ratios of iron, carbon, and sometimes other elements. The table shows the amount of carbon required to make certain amounts of a particular alloy. Find the missing value for the table.

Steel (kg)
Carbon (g)
50
250
60
300
70
 
80
400

a.
350 g
b.
280 g
c.
420 g
d.
175 g
 

 9. 

The last time Robert filled up his car with gas, he paid $24.50 for 7 gallons. This time, he needs 15 gallons. If the price is the same, how much will he pay?
a.
$52.50
b.
$32.50
c.
$11.43
d.
$3.50
 

 10. 

Joan mails a package that weighs 140 grams. About how many ounces is the package? Use mc010-1.jpg.
a.
0.2 ounce
b.
4.9 ounces
c.
168.4 ounces
d.
403.3 ounces
 

 11. 

A 15% tip on a diner bill is $2.55. How much is the bill?
a.
$0.17
b.
$0.38
c.
$17.00
d.
$38.25
 

 12. 

Order the numbers from least to greatest.
0.314, 0.341, 3.41%, mc012-1.jpg
a.
3.41%, 0.314, 0.341, mc012-2.jpg
c.
3.41%, 0.314, mc012-4.jpg, 3.41%
b.
mc012-3.jpg, 0.314, 0.341, 3.41%
d.
0.314, 0.341, mc012-5.jpg, 3.41%
 

 13. 

Which of the following is correct?
a.
mc013-1.jpg
c.
mc013-3.jpg
b.
mc013-2.jpg
d.
mc013-4.jpg
 

Multiple Response
Identify one or more choices that best complete the statement or answer the question.
 

 1. 

A punch bowl contained 2 liters of ginger ale, 1 liter of orange juice, and 1 liter of raspberry juice. Select all the true statements.
 a.
The ratio of the ginger ale to the entire punch bowl is 1 to 4.
 b.
The ratio of orange juice to ginger ale is 2 to 1.
 c.
The ratio of the juices to the ginger ale is 2 to 2.
 d.
The ratio of the entire punch bowl to the juices is 2 to 4.
 e.
The ratio of the orange juice to the raspberry juice is 1 to 1.
 

 2. 

Choose all statements that are NOT true.
 a.
20% of 20 is 4.
 b.
30% of 30 is 9.
 c.
40% of 50 is 15.
 d.
50% of 110 is 60.
 e.
60% of 60 is 360.
 



 
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