
Patrick B. answered 01/04/19
Tutor
4.7
(31)
Math and computer tutor/teacher
Sammy sold 5/8 of them. David sold 3/8 of them.
5/8*160 = 100
3/8*160 = 60
You can also do: 5x+3x = 160
8x =160
x=20
Sammy sold 5*20 = 100
David sold 3*20 = 60