dawnmyers88
20.11.2019 •
Mathematics
Does anyone know what 8 1/2 x 4 1/2 is because i keep getting 32 1/2, but the answer is 38 1/2? if you know, explain.
by the way how can i put questions for only 5 points?
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Ответ:
8 1/2 = 17/2
4 1/2 = 9/2
To get this you do⬆8(2) =16 + 1 = 17/2 ; 4(2) = 8 + 1 = 9/2
Change the problem to:
17/2 (9/2)
17(9)/2(2) = ?
So, 17(9) / 2(2) = 153 / 4
153 / 4 as a mixed fraction/number: 38 1/4
Ответ: