Posted by tom on Thursday, October 6, 2011 at 9:53pm.
9/10Y = 36
What is Y

algebra  Ms. Sue, Thursday, October 6, 2011 at 9:59pm
9/10Y = 36
Y = 36/(9/10)
Y = 36 * (10/9)
Y = 360/9
Y = ?

algebra  Bosnian, Thursday, October 6, 2011 at 11:02pm
The answer of Ms,Sue is wrong.
9 / 10 Y = 36 Multiply both sides with 10 Y
9 = 36 * 10 Y
9 = 360 Y Divide both sides with 9
1 = 40 Y Divide both sides with 40
1 / 40 = Y
Y = 1 / 40
Y = 0.025

Ms Sue is right  algebra  Reiny, Friday, October 7, 2011 at 1:00am
tom wrote
9/10y=36
according to the order of operations,
we only divide by 10 or else Tom should have said
9/(10y) = 36
so Ms Sue took it exactly the way it was written and her answer is correct.
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