Present age of bob is equal to abbay age 8year ago four year hence bob age respectively ratio to abay age is 4:5what is present age of bob

Answer 1

"Present age of bob is equal to abbay age 8year"
---> Abby is 8 years older than Bob

let Bob's present age be x
Abby's present age is x+8

"four year hence Bob age respectively ratio to Abby's age is 4:5"
----> (x+4)/(x+12) = 4/5

cross-multiply and solve for x

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