Glen J. answered 11/26/14
Tutor
New to Wyzant
Teacher for PreAlgebra to Calculus
Dave d = 146 Dave has 138 fewer stamps then joe means d = j - 138. 146 = j - 138.
146 + 138 = 284 = j. So Joe has 284 stamps and Dave has 146 stamps. In total they have 284 + 146 = 430 stamps.