Raymond B. answered 02/24/21
Tutor
5
(2)
Math, microeconomics or criminal justice
103-X = 5(31-X) = 155-5X
4X = 155-103 = 52
X = 52/4 = 13 years ago Collin was 5 times Catherine's age
103-13 = 5(31-13)
90 = 5(18)