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3 years ago

8

Last month, Gavin had $5460.40 that he divided into two bank accounts. He deposited into a savings account. He deposited the res

t into his checking account.
How much money did Gavin deposit into his checking account?

1 answer:

klemol [59]3 years ago

3 0

He has 2,730.20 in his checking you just have to divide by 2 and you should get it.

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Alenkinab [10]

$\text{Let the number of boys be x and number of girls be y.}\\
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\text{and there are total 416 students enrolled in the course. so we have}\\
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x+y=416 \ \ \ \ \ \ \ \ \ \ ......(i)\\
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\text{also given that there are seven boys to every six girls, that is}\\
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\frac{x}{y}=\frac{7}{6}$

$\Rightarrow 6x=7y\\
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\Rightarrow y=\frac{6x}{7}\\
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\text{substitute this value of y in (i), we get}\\
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x+\frac{6x}{7}=416\\
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\Rightarrow x=\frac{416\times 7}{13}\\
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\Rightarrow x=224$

Hence the number of boys in the course are: 224

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3 years ago

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dezoksy [38]

Answer: D

<u>Step-by-step explanation:</u>

The first matrix contains the coefficients of the x- and y- values for both equations (top row is the top equation and the bottom row is the bottom equation. The second matrix contains what each equation is equal to.

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I hope this helps you

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