SOLUTION: On a committee consisting of Republicans and Democrats, there are twice as many Republicans as Democrats. If 30% of Republicans and 20% of the Democrats voted in favor of a bill an

Question 645851: On a committee consisting of Republicans and Democrats, there are twice as many Republicans as Democrats. If 30% of Republicans and 20% of the Democrats voted in favor of a bill and there were 8 yes votes, how many people are on the committee?
the answer is 30 but i need to find the equation and I am having issues!
Found 2 solutions by solver91311, josmiceli:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

I have the answer, but you are going to have to better than "I am having issues." Exactly what have you tried?

John

My calculator said it, I believe it, that settles it

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of Democrats
Let = number of Republicans
given:
(1)
(2)
------------------
(2)
Substitute (1) into (2)
(2)
(2)
(2)
(2)
and, since
(1)
(1)
(1)
-------------

There are 30 people on the committee

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