Ratios and Proportions
2 years ago
tmvanhoy
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Practice 20 QuestionsShow answers
• Question 1
180 seconds Q. What is the unit rate in this proportional relationship?
60 miles/1 hour
120 miles/ 2 hours
1 mile/ 1 hour
• Question 2
60 seconds Q. Does this graph represent a proportional relationship?
No, because it doesn't pass through the origin.
Yes, because it doesn't pass through the origin.
Yes, because it intersects the y axis.
No, because it intersects the x axis.
• Question 3
60 seconds
Q. In the equation y = 14x, what is the constant of proportionality?
y
x
14
• Question 4
30 seconds
Q. Which of these describes the unit rate?
a unit of measure
a fraction with a numerator of one
a fraction with a denominator of one
a proportion
• Question 5
300 seconds
Q. If Mr. Smith gives 6 homework assignments every 2 weeks, how many homework assignments would he give in a 9 weeks?
54
6
18
27
• Question 6
300 seconds
Q. Write as a percent.
5/8
62.5%
0.625
64%
6.25%
• Question 7
300 seconds
Q. Solve: 40% of 50.
40
24
30
20
• Question 8
300 seconds
Q. Solve: 90 is 45% of what number?
178
200
40.5
216
• Question 9
300 seconds
Q. 68% of students in gym class can run a mile in under 12 minutes. There are 25 students in the class. How many can run a mile in under 12 minutes?
17
20
16.8
23
• Question 10
300 seconds
Q. Jillian bought a shirt on sale and only paid 37% of the original price. She payed \$18.50 for the shirt. How much was the shirt originally?
\$58.39
\$74.00
\$50.00
\$47.56
• Question 11
120 seconds
Q. On last week’s maths test Carol had 21 correct out of 25 problems. What percent grade did she receive?
42
80
84
92
• Question 12
120 seconds
Q. A bus traveled 150 miles in 3 hours. At what average rate did the bus travel?
150 miles per hour
75 miles per hour
50 miles per hour
450 miles per hour
• Question 13
300 seconds
Q. Josh bought a pizza with eight slices of pizza for \$12. What is the cost of a slice of pizza?
\$12
\$1.50
\$3
\$1
• Question 14
900 seconds
Q. A scale drawing of a billboard uses the scale 4 cm:9 ft. The length of the billboard in the drawing is 11 cm. How long is the actual billboard?
13 ft
20.75 ft
24.75 ft
22 ft
• Question 15
900 seconds
Q. A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?
2.5 cups milk
1.75 cups milk
2 cups flour
2.25 cups milk
• Question 16
900 seconds
Q. Austin got 72% of the questions correct on his last math quiz.  If there were 25 total questions, how many did he answer incorrectly?
5 - she's getting a new puppy!
8 - she's having a baby boy!
7 - she's having a baby girl!
12 - she felt like it.
• Question 17
30 seconds
Q. Find the unit rate of 40 meters in 16 seconds
0.4 meters per second
0.4 seconds per meter
2.5 meters per second
640 meters per second
• Question 18
120 seconds
Q. Find the unit rate of \$7.96 for 5 pounds of jolly ranchers.
\$0.63 per pound
1.59 pounds
\$1.59 per pound
• Question 19
180 seconds
Q. Totsakan enlarged the size of a photo to a height of 18 in.  What is the new width if it was originally 2 in. tall and 1 in. wide?
1/9
9
36
1:3
• Question 20
900 seconds
Q. At a grocery store, three-dozen cookies cost \$9.00. What would be the cost of one cookie?
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