Find years ago a man was seven times as old as his daughter. Find years hence, the man will be three times as old as his daughter. Find their present age?
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hope this helps you ask if any doubt
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preeta4:
thanks
wlcm
hey it is so hazy can yu send me a clear picture plzz
i already answered
Answered by
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let the man and his daughter age X and Y
ATQ
case 1 :
x-5 = 7 (y-5)
x-5=7y-35
x-7y=-30-------------(1)
case:2
x+5 = 3 (y+5)
x+5=3y+15
x-3y = 10-----------(2)
elimination method or you you can use any other method
y=10
on putting in any one equation
x =40
ATQ
case 1 :
x-5 = 7 (y-5)
x-5=7y-35
x-7y=-30-------------(1)
case:2
x+5 = 3 (y+5)
x+5=3y+15
x-3y = 10-----------(2)
elimination method or you you can use any other method
y=10
on putting in any one equation
x =40
hlo preeta i need to talk with you..
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