Question

please help. how do i do this." The sum of the ages of two sisters is 25. The second sister age is 5 more then 3 times the first sisters age. find the two ages

Answer 1

let younger sister age be x

let elder sister age be 3x+5

according to question,

3x+5+x=25

4x=25-5

4x=20

x=20/4

x=5