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25-09-2020
Mathematics

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Ashley’s math average decreased 12 points to 78. Then she completed an extra credit assignment and raised her final average by 5 points. Write an equation to show how Ashley’s average changed.

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25-09-2020

Answer:

you would start out with 90 because 90-12 = 78

so the equation could be

A= 90

A-12+5= Ashley's final score

Step-by-step explanation:

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