Answer:
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Step-by-step explanation:
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For this case, the first thing we must do is define variables.
We have then:
x: number of blue beads
y: number of red beads
We now write the inequations system:
Answer: a system of linear inequations that represents the situation is:
7/12 of the mixture should be blue......but, in her mixture, 9/15 = 3/5 of the mixture is blue.....
And 7/12 is not equal to 3/5......so....the shade is not correct