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Kaylis [27]
3 years ago
15

Ava paid $4.90 for 2.5 pounds of walnuts. what is the cost of one pound of walnutKieth has a box of 416 crayons the he wants to

share with 13 of his friends. If each friends get the same number of crayons, how many crayons will each friend get?
Mathematics
1 answer:
Nadusha1986 [10]3 years ago
4 0

Okay so for the first one all you have to do is divide 4.90 by 2.5 and get 1.96.                So your answer for the first on is $1.96.

For the second one you just have to divide 416 by 13 and you get 32.                            So each friend gets 32 crayons.

Hope this helped you (;

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Andru [333]

Answer:

z = 18

x = 26 and y = 16

Step-by-step explanation:

Given:

x + y = 42

\dfrac{x}{13}=\dfrac{y}{8}=\dfrac{z}{9}

Rewrite  x + y = 42  to make y the subject:

\implies y=42-x

Substitute this into \dfrac{x}{13}=\dfrac{y}{8}:

\implies \dfrac{x}{13}=\dfrac{42-x}{8}

Cross multiply:

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Substitute found value of x into x + y = 42 and solve for y:

\implies 26 + y = 42

\implies y=16

Substitute found value of y into \dfrac{y}{8}=\dfrac{z}{9} and solve for z:

\implies \dfrac{16}{8}=\dfrac{z}{9}\\\\\implies 2=\dfrac{z}{9}\\\\\implies 18=z

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2 years ago
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Rama09 [41]

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Step-by-step explanation:

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