the present ages of P&Q is 4:6.if the sum of present ages of P&Q is 50 years,then the sum of ages of P&Q before 4years is?
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Answered by
2
let age of p=4x
let age of q=6x
4x+6x=50
10x=50
x=5
present age of p=20
present age of q=30
four years ago
sum of ages=
20-4+30-4=42
let age of q=6x
4x+6x=50
10x=50
x=5
present age of p=20
present age of q=30
four years ago
sum of ages=
20-4+30-4=42
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Answered by
1
let ages of P&Q = 4x & 6x
4x+6x = 50
x = 5
now, their ages
= (4x-4)+(6x-4)
= 50-8 = 42 years.
4x+6x = 50
x = 5
now, their ages
= (4x-4)+(6x-4)
= 50-8 = 42 years.
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