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Citrus2011 [14]
3 years ago
11

Yesterday, Joe had $376 in his bank account. Today, Joe noticed his account had a balance of -$523. Joe realized that he spent m

ore money than he could afford to. How much did Joe overspend?
A. -$523
B. -$376
C. $523
D. $899
Mathematics
1 answer:
Phantasy [73]3 years ago
7 0
Joe overspent D. $899
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Ni : Zn: Cu = 7:2:9 =7x : 2x : 9x

7x+2x+9x = 3.8
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Answer:

Option C.

Step-by-step explanation:

The given equations are

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We need  isolate one of the variables, such that it appears by itself on one side of the equation.

Isolating a variable in two equations is easiest when one of them has a coefficient 1.

In equation 1, coefficient of B is 1. So, we can easily isolate one of the variables.

The equation is

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Answer:

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so

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add that to what she put in

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