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3 years ago

15

One shade of purple paint is made by mixing 2 pints of red and 5 pints of blue paint. Charley has 20 pints of blue paint. How ma

ny pints of red paint does he need to make the purple paint?

1 answer:

lions [1.4K]3 years ago

5 0

Answer:

8 pints

Step-by-step explanation:

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I don't know how to do this<br> Y=x-7<br> 3x-3y=21

lora16 [44]

You're going to use the substitution method for this.

First, we know that Y = x-7, so we can plug x-7 into everywhere we see Y!

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then we simplify

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^ ^
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