Question

After 16 years Fatima will be 3 times as old as she is now find her age after 50 years

Answer 1

x+16=3(x+16)
x+16=3x+48
3x+48-x-16=0
2x+32=0
x=16
After 50 years...she will be
16+50
=66 years

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Answer 2

let age be x
so after 16 yrs age will be 16+ x
but after 16 yrs age will be 3 times present age= 3x
therefore 16+x=3x
16=3x-x
16=2x
x=8
therefore present age is 8
after 50 yrs age will be 50+8 i.e. 58