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A. Step 1B. Step 2 C. Jamie did not make a mistake

A. Step 1B. Step 2 C. Jamie did not make a mistake-example-1

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a Given data:

Step 1


(2)/(5)n+7=12
(2)/(5)n=5
2n=5*5
n=(25)/(2)

Jamie did mistake in step 2

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User Gdibble
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