X and y can complete a qork in 8days the efficiency of x is half of y how long it qill take for x to complete the total qork alone
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x+y=8
x=1/2of y.
=1/2×y
x=1/2×y
x=y/2
x+y=8
y/2+y=8
3y=16
y=16/2
x=y/2
=16/2×1/2
=4
x=1/2of y.
=1/2×y
x=1/2×y
x=y/2
x+y=8
y/2+y=8
3y=16
y=16/2
x=y/2
=16/2×1/2
=4
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