riya's present age is thrice amans. if amans age three years ago x what is riyas present age?
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3x+3 should your answer. thanks
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let riyas age be x and amans be y
according to the 1st given condition
x=3×y
x=3y..........1
according to the 2nd given condition
y=3-x..............2
substituting eq. 2 in 1
we get,
x=3(3-x)
x=9-3x
x+3x=9
4x=9
x=9/4
according to the 1st given condition
x=3×y
x=3y..........1
according to the 2nd given condition
y=3-x..............2
substituting eq. 2 in 1
we get,
x=3(3-x)
x=9-3x
x+3x=9
4x=9
x=9/4
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