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lorasvet [3.4K]
3 years ago
9

HELP ME PLEASE!! Word problem, what's wrong? explain.

Mathematics
1 answer:
dmitriy555 [2]3 years ago
8 0

Answer:

She made a mistake in Step 7.

Step-by-step explanation:

Step 1 through 6 are correct. Only from Step 6 to Step 7 the problem comes in: both sides of the equation are multiplied by x, however the x on the left side, by error, becomes 1. The correct state in Step 7 should look like this:

x(\frac{1}{2}P-x)=256

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