Question
Domingo and Ruth have 138 concert ticket stubs together. Ruth has 2 times as many concert ticket stubs as Domingo. How many concert ticket stubs does Ruth have? How many concert ticket stubs are in Domingo's collection?
Answers
oobleck
r+d = 138
r = 2d
so, 3d = 138
now work your magic
r = 2d
so, 3d = 138
now work your magic
Casey
you didn't even help