Applications of Unit Rates Answers

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Julia is in charge of buying clothing in bulk for a sporting goods store. The table shows the unit prices of the items she intends to buy.Unit Prices of Clothing Items for a Sporting Goods StoreItemUnit PriceT-shirts$7.50Shorts$9.00Windbreakers$12.25If she will buy 35 T-shirts, 45 pairs of shorts, and 25 windbreakers, what will be her total cost?

A
$958.75
B
$973.75
C
$1,021.25
D
$1,038.75
2
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It takes Dariya 35 seconds to download 5 songs from the Internet. How can the number of seconds it would take Dariya to download 7 songs at this rate be determined?

A
By dividing 35 by 7.
B
By multiplying 35 by 7.
C
By finding the unit rate and dividing it by 7.
D
By finding the unit rate and multiplying it by 7.
3

Jonah bicycled 12 miles in 4 hours. What is the unit rate?

A
3 miles per hour
B
8 miles per hour
C
16 miles per hour
D
48 miles per hour
4

A baseball player had 4 hits in 8 games. At this rate, how many hits will the baseball player have in the next 28 games?

A
14
B
24
C
28
D
56
5

Which represents a unit rate?

A
The cost of cat food is $36 per 3 bags.
B
The cost of orange juice is $3 per jug.
C
The cost of photocopies is $1 per 10 pages.
D
The cost of roses is $50 per 2 dozen.
6

Eva is at a sushi restaurant. She ordered 2 pieces of squid for a total of $3.50, 1 piece of eel for $3.25, 3 pieces of tuna for a total of $6.75, and 4 pieces of crab for $8.00. Which list shows the unit cost of each piece of sushi from least to greatest?

A
squid, crab, tuna, eel
B
eel, squid, tuna, crab
C
squid, eel, crab, tuna
D
eel, tuna, crab, squid
7

Which unit price is the highest?

A
turnips for $1.51 per pound
B
peppers for $1.62 per pound
C
carrots for $1.26 per pound
D
celery for $1.48 per pound
8

A washing machine is filling up with water at a constant rate. The rate is of a gallon in of a minute. Don calculated the unit rate to be of a gallon per minute. What did he do wrong?

Question illustration
A
He added to instead of multiplying by .
Option A
B
He divided by instead of multiplying by .
Option B
C
He added to instead of dividing by .
Option C
D
He multiplied by instead of dividing by .
Option D
9

A motorist is pumping gas into his car at a rate of of a gallon every of a minute. At this rate, how many gallons of gas will he have pumped into his car in of a minute?

Question illustration
A
1
B
5
C
10
D
20
10

Alejandra can husk 8 ears of corn in 24 minutes. At this rate, how many ears of corn can she husk in 33 minutes?

A
11
B
17
C
33
D
99

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