Problema Solution

the 111th congress had a total of 434 democrats and republicans. there were 78 more democrats than republicans. find the number of representatives from each party.

Answer provided by our tutors

let 'x represent the number of republicans, then 'x+78' represents the number of democrats


434 = x + x + 78

356 = 2x

x = 178


178+78 = 256


there were 178 republicans and 256 democrats