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mylen [45]
3 years ago
11

Please help me with this problem !! i keep trying but i keep getting the wrong answer

Mathematics
1 answer:
Fittoniya [83]3 years ago
7 0

Answer:

j <u>></u> 5

j > 4.5

Step-by-step explanation:

9j - 5j <u>></u> 20

4j <u>></u> 20

\frac{4j}{4} > \frac{20}{4}

j <u>></u> 5

8j > -36

\frac{8j}{8} > \frac{36}{8}

j > 4.5

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nirvana33 [79]
Ok , with that information we can write the equations
x + y = 6
5x + 4y = 28

Where x = how many people ordered chicken
and y = how many people ordered egg salad

Through elimination , we can set one of the variables in both equations equal so we can eliminate it :

(4)x + (4)y = (4)6
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Now we can subtract the second equation by the first equation and isolate one variable:
equation 2 - equation 1

5x - 4x + 4y - 4y = 28 - 24

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Now that we discovered our x value ( How many people ordered chicken salad ) , we can apply it to one of the equations and discover y ( how many people ordered egg salad)

x + y = 6
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We can shift 4 to the other side of the equation by subtracting 4 from both sides of the equation:
4 - 4 + y = 6 - 4
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x=4 and y=2

So the awnser is :
4 people ordered chicken salad and 2 people ordered egg salad!

I hope you understood my brief explanation!!

p.s if you want to know how to use another method to solve these problems ( Substition) , just let me know in a comentary down here
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