RaeIsAlwaysHere RaeIsAlwaysHere

01-09-2016
Mathematics

contestada

Please help with number 7

Please help with number 7 class=

Respuesta :

texaschic101 texaschic101

01-09-2016

x * y = 3 1/4
x * y = 13/4

3 5/7 = 26/7

26/7 * y = 13/4
y = (13/4) / (26/7)
y = 13/4 * 7/26
y = 91/104 = 7/8

check..
26/7 * 7/8 = 13/4
26/8 = 13/4
13/4 = 13/4 (correct)

so ur answer is 7/8

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