Question 178165
let the ages of the ****star***and her daughter be s and d respectivel
:
s-9=15(d-9).....eq 1
s=6d............eq 2
:
take s's value from eq 2 which is 9d and plug that into every occurence of s in eq 1
:
6d-9=15(d-9)
:
6d-9=15d-135.........distributed right side
:
-9d=-126.............subtracted 15d and added 9 to both sides
:
{{{highlight(d=14)}}}
:
*****{{{highlight(s=84)}}}****stars age