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7CC Unit 3 Assessment Review (Ratios, Proportions, Percents) Flashcards | StudBud
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7CC Unit 3 Assessment Review (Ratios, Proportions, Percents)
7CC Unit 3 Assessment Review (Ratios, Proportions, Percents)
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Common Core Standards M.7.RP 1, 2, 3, and A.7.G.1
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Answers
1
A baseball team has won 168 games and lost only 14. Find the constant of proportionality.
12
182
2,352
154
2
Miss Sinding has $28 for a gift. She found one for $25. Does she have enough money for 7% tax?
No, the total is $29.96
No, the total is $42.50
Yes, the total is $26.75
Yes, the total is $26.25
3
Does the equation y=11x+5 show a proportional relationship between x and y?
Yes, the graph is a straight line through the origin.
Yes, the graph is a straight line not at the origin.
No, the graph does not pass through the origin.
No, the graph of the equation is not a straight line.
4
You draw a picture with a scale 1 inch : 3 feet. What is the actual width of the picture?
4 inches
7 inches
12 feet
12 inches
5
Use "part = percent * whole". 60 is what percent of 75?
15%
20%
85%
80%
6
Sam earned 90% on a math test by answering 18 right. How many questions were on the test?
20 questions
18 questions
100 questions
2 questions
7
Which picture shows a proportional relationship?
Graph B
Graph A
None of these
Graph C
8
Study time and test scores have a proportional relationship. Complete the table and simplify!
1/24, /24, and 1/24
24/1, 24/1, and 24/1
2/48, 3/72, and 4/96
48/2, 72/3, and 96/4
9
Miss Sinding rides her bike 10 miles per hour to a campsite 5 miles away. How long to the site?
50 minutes
30 minutes
15 minutes
10 minutes
10
2 cities are 5 inches apart on a map with scale 1 inch : 1.5 miles. What's the actual distance?
5 feet
7.5 miles
5 miles
1.5 miles
11
The graph shows a proportional relationship between cups of flour and cookies. What is (0,0)?
The baker makes 0 cookies in 0 seconds.
Unit rate is 0 cookies per cup of flour.
The baker needs 0 cups of flour to make 0 cookies.
Unit rate is 0 cups of flour per cookie.
12
Camila buys 2 bags of dog food for $9. Find unit price, then how much will she spend on 3 bags?
$27 for 3 bags
$18 for 3 bags
$4.50 for 3 bags
$13.50 for 3 bags
13
Compare $200 principal in Account A (5% for 3 years) versus Account B (7.5% for 2 years).
The account balances are equal.
Account B has a greater balance.
Account A has a greater balance.
There is not enough information provided to choose.
14
Ms. Hannon's book club had 12 members last year. There are 15 members this year. Find % change.
125% increase
20% increase
25% increase
80% increase
15
Ms. Lei has 12 candy bars that weighs 1.5 pounds. Find unit rate for
POUNDS PER CANDY BAR
.
18 pounds per candy bar
8 pounds per candy bar
1/8 pound per 1 candy bar
1 pound per 8 candy bars
16
What does the point (1,29) mean on the graph?
The baker makes 30 cookies with 1 cup of flour.
The baker makes 29 cookies with 1 cup of flour.
The baker needs 20 cups of flour to make 1 cookie.
The unit rate is 29 cups of flour per cookie.
17
Miss Sinding reads 25 pages in 1/3 hour. What is the unit rate for pages read per hour?
25 pages per hour
75 pages per hour
100 pages per hour
8.3 pages per hour
18
A package of 5 pairs of socks costs $33.95. What is the unit price of a pair of socks?
$169.75 per pair
$38.95 per pair
$34 per pair
$6.79 per pair
19
A flat $400 flat screen TV is marked down 20%. 6 months later, it is marked down another 10%.
Total markdown is $8
Total markdown is $120
Total markdown is $280
Total markdown $288
20
The graph shows boxes per minute. How many boxes are packaged in 3 min?
120 boxes
40 boxes
100 boxes
80 boxes
