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Mathematics, 12.10.2020 14:01 malik70831

The steps below show the work of a student used to calculate the number of yards in 804.5 meters. (1 mile = 1,609 meters)
(1 mile = 1,760 yards)

Step 1: 1,609 meters is being multiplied by conversion factor 1 mile over 804.5 meters equals 2 miles

Step 2: 2 miles is being multiplied by conversion factor 1760 yards over 1 mile equals 3,520 yards

Step 3: 3,520 yards
(1 mile = 1,609 meters)
(1 mile = 1,760 yards)

How can the error in the student's work be corrected?

The 1,609 meters and the 804.5 meters in Step 1 should be switched.
The 1 mile and 804.5 meters in Step 1 should be switched.
The conversion factor should be added in Step 2 instead of being multiplied.
The conversion factor should be divided in Step 2 instead of being multiplied.
Question 8(Multiple Choice Worth 1 points)
(02.02 LC)

What is the unit cost per bottle if a pack of 6 bottles of juice sells for $4.80?

$0.28 per bottle
$28.80 per bottle
$0.80 per bottle
$8.00 per bottle
Question 9 (Fill-In-The-Blank Worth 1 points)
(02.06 LC)

If one gallon is the same amount as 16 cups, how many cups equal 2.5 gallons? (Only input whole numbers.)

Answer for Blank 1:

Question 10(Multiple Choice Worth 1 points)
(02.05 MC)

A dance school has 63 ballet dancers. If 42% of the total number of dancers in the school are ballet dancers, what is the total number of dancers in the school?

105
150
160
165
Question 11(Multiple Choice Worth 1 points)
(02.05 LC)

Which of the following results in the expression 0.43 x 52?

52% of 0.42
43 of 52%
0.52 of 43%
43% of 52
Question 12(Multiple Choice Worth 1 points)
(02.01 MC)

In a bakery shop, the ratio of cakes to cookies baked in a day is 3:5. Which of the following best describes the number of cakes to the number of cookies baked in a day at the shop?

For every 8 cakes, there are 5 cookies.
For every 3 cakes, there are 8 cookies.
For every 3 cakes, there are 5 cookies.
For every 5 cakes, there are 3 cookies.
Question 13(Multiple Choice Worth 1 points)
(02.01 MC)

A bird park has black and white birds in the ratio of 8 to 2 as shown below:

8 black birds and 2 white birds are shown

Which is another ratio that can describe the black to white birds?

4 to 1
1 to 4
1 to 7
7 to 1
Question 14(Multiple Choice Worth 1 points)
(02.06 MC)

Alan needs 36 quarts of paint to paint the basement of his house. If 1 gallon is equal to 4 quarts, how many gallons of paint should Alan buy?

4 gallons
9 gallons
18 gallons
36 gallons
Question 15(Multiple Choice Worth 1 points)
(02.02 MC)

Meg mixed 1 part of strawberry juice and 3 parts of lemon juice to make lemonade. How many parts of strawberry juice did Meg mix with each part of lemon juice?

one over three
one over two
three over two
three over one
Question 16(Multiple Choice Worth 1 points)
(02.03 MC)

The ratio of the number of hair bands to the number of ribbons in different gift boxes is 7:4. Which table best shows the number of hair bands and ribbons in different gift boxes?

Hair bands
Ribbons
7
11
14
22
21
33

Hair bands
Ribbons
3
4
12
16
21
28

Hair bands
Ribbons
18
15
23
20
28
25

Hair bands
Ribbons
14
8
21
12
28
16
Question 17(Multiple Choice Worth 1 points)
(02.01 LC)

At a quiz competition, for every question team A answered correctly, team B answered 2 questions correctly. The ratio of the number of questions team A answered correctly to the number of questions team B answered correctly is .

1 to 1
2 to 1
1 to 2
2 to 2
Question 18(Multiple Choice Worth 1 points)
(02.05 LC)

Jamie bought 15 apples. He ate 3 apples. What percentage of the apples did Jamie eat?

18%
20%
45%
50%
Question 19(Multiple Choice Worth 1 points)
(02.01 LC)

What is the ratio of the number of days in the week that begin with the letter "T" to the number of days in the week that do not begin with the letter "T"?

7 over 2
2:5
5 over 7
2 to 7
Question 20 (Fill-In-The-Blank Worth 1 points)
(02.03 LC)

Rachel purchased different carpets that had the same ratio of the length to the width. The table below shows the length and width of some carpets Rachel bought:

Length (feet)
Width (feet)
4
3
8
6
12
9
16
12
?
15

The missing value in the table is feet.
Numerical Answers Expected!

Answer for Blank 1:

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The steps below show the work of a student used to calculate the number of yards in 804.5 meters. (...
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