A takes 6 days less than B to do a work. If both A and B working together can do it in 4 days, how many days will B take to finish it?
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1 day work of both=1/4
let b do the work in x days
a do it in=x-6
1 day work of a=1/x-6
1 day work of b=1/x
ATQ,
1/x-6+1/x=1/4
1/x-6=1/4-1/x
1/x-6=(x-4)/4x
4x=x^2-4x-6x+24
4x+10x=x^2+24
14x=x^2+24
let b do the work in x days
a do it in=x-6
1 day work of a=1/x-6
1 day work of b=1/x
ATQ,
1/x-6+1/x=1/4
1/x-6=1/4-1/x
1/x-6=(x-4)/4x
4x=x^2-4x-6x+24
4x+10x=x^2+24
14x=x^2+24
tpking:
i will complete this quest tommorow
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