Raymond B. answered 02/01/21
Tutor
5
(2)
Math, microeconomics or criminal justice
J=2S
J+5 + S + 5 =91
2S +S = 91-10 = 81
3S = 81
S = 27 years old for the sister
J =54 for Jim's age now
in 5 years they'll be 59 + 32 = 91