The ages of sia and anisha are in the ratio of 4:5.five years from now, the ratio of their ages will be 6:7 find their present ages.
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Sia and anisha = 4:5
Let Sia =4x
Let anisha = 5x
Five years now = (4x +5):(5x+5)years
(4x +5):(5x+5) = 6:7
4x + 5/5x + 5 = 6/7
7 (4x + 5) = 6 (5x +5)
28x+35=30x+30
28x-30x =30-35
-2x = -5
X=5/2
Sia ages =6×5/2 =10
Anisha ages = 7×5/2 =25/2
Let Sia =4x
Let anisha = 5x
Five years now = (4x +5):(5x+5)years
(4x +5):(5x+5) = 6:7
4x + 5/5x + 5 = 6/7
7 (4x + 5) = 6 (5x +5)
28x+35=30x+30
28x-30x =30-35
-2x = -5
X=5/2
Sia ages =6×5/2 =10
Anisha ages = 7×5/2 =25/2
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