2 years ago

Store A sells 5 comics for $53.10. Store B sells 3 comics for $31.71. What is the difference in unit rate?

Mathematics

1 answer:

Verdich [7]2 years ago

6 0

Answer:

Vendor 1 had a higher unit rate.

Step-by-step explanation:

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74.42

Step-by-step explanation:

(150-86):86*100 =

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The radius of a cylindrical construction pipe is 1.5ft. If the pipe is 18ft long, what is its volume? Use the value 3.14 for π ,

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$\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\quad 
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r=radius\\
h=height\\
-----\\
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3 years ago

Read 2 more answers

Isaiah has $7.15 in Dimes and Nickels. He has a total of 91 coins. How many of each coin does he have? Group of answer choices d

yarga [219]

Answer:

Dimes = x = 52

Nickels = y = 39

Step-by-step explanation:

Let

Dimes = x

Nickels = y

x + y = 91 (1)

0.10x + 0.05y = 7.15 (2)

From (1)

x = 91 - y

Substitute x = 91 - y into (2)

0.10x + 0.05y = 7.15

0.10(91 - y) + 0.05y = 7.15

9.10 - 0.10y + 0.05y = 7.15

- 0.10y + 0.05y = 7.15 - 9.10

-0.05y = -1.95

y = -1.95 / 0.05

= 39

Substitute y = 39 into (1)

x + y = 91

x + 39 = 91

x = 91 - 39

x = 52

Dimes = x = 52

Nickels = y = 39

7 0

3 years ago

Store A sells 5 comics for $53.10. Store B sells 3 comics for $31.71. What is the difference in unit rate?​

Store A sells 5 comics for $53.10. Store B sells 3 comics for $31.71. What is the difference in unit rate?