pointegirl pointegirl

14-09-2016
Mathematics

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X+y=78 when x is twice as much as y- show work please

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WorldlyGlass49 WorldlyGlass49

15-09-2016

x + y = 78
x = 2y
2y + y = 78
3y = 78
y = 78/3
y = 26
x + 26 = 78
x = 78 - 26
x = 52
52 = 2 x 26

X = 52 and Y = 26

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