arun is 4 times as old as Anusha is today. 6 years ago, Arun was 6 times as old as Anusha. how old are they today?
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Answer:
Let age of Arun be x and that of Anusha be y
According to question Arun is 4 times Anusha
= x = 4y
= x - 4y = 0......................(1)
Again age of arun 6 years ago = x - 6
" " Anusha " " = y - 6
= (x-6) = 6(y-6)
= x - 6 = 6y - 36
= x - 6y = -30.......................(2)
By evaluating we get 2y = 30
y = 15
putting value of y in equation 1
x - 4(15) = 0
x - 60 = 0
x = 60
Hence age of Arun = 60 years
age of Anusha = 15 years
Hope it helps mate
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