How did you get 544-"486"/486=3X the marked 486

272/243-1/2

=(544-243)/486
related to an answer for: if 272/3*81-1/2=3x,the value of x is
in Calculus Answers by Level 1 User (120 points)

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1 Answer

The user miscalculated. It should have been (544-243)/486=3x, 301/486=3x, x=301/1458.
The question is ambiguous anyway, because the first fraction could be (272/3)×81=7344 or 272/(3×81)=272/243. If PEMDAS was applied, it would make the first meaning the correct interpretation, not the second, because divide and multiply have the same priority (272 divided by 3 then multiplied by 81).
Parentheses should be used to make the meaning clear and unambiguous.

by Top Rated User (1.2m points)

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