SOLUTION: If the US Senate, with 100 members, contains 20 more Democrats than Republicans, how many Democrats does it contain?

SOLUTION: If the US Senate, with 100 members, contains 20 more Democrats than Republicans, how many Democrats does it contain?

Algebra.Com

Question 455666: If the US Senate, with 100 members, contains 20 more Democrats than Republicans, how many Democrats does it contain?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
D = R + 20
D + R = 100
-----------
Sub for D in the 2nd eqn
(R+20) + R = 100
2R + 20 = 100
2R = 80
R = 40
-------
D = 60

RELATED QUESTIONS
The U.S. Senate has 100 members. After a certain election, there were 18 more... (answered by addingup)

the us senate has 100 members. After a certain election, their were 12 more democrats... (answered by lynnlo)

the us senate ha a 100 members. after a certain election,there was four more democrats... (answered by rfer)

The U.S Senate has 100 members who are either Democrats or Republicans. At one time,... (answered by Alan3354)

Senate had a total of 99 Democrats and Republicans. There are 11 more Republicans than... (answered by josmiceli)

please help me to solve this problem.the US senate had a total of 99 Democrats and... (answered by checkley77)

The U.S. senate has 100 members. after a certain election, there were 4 more Democrats... (answered by stanbon,josmiceli)

The U.S. Senate has 100 members. After a certain election, there were 14 more... (answered by ikleyn)

The U.S. Senate has 100 members. After a certain election, there were 18 more... (answered by sbro7568)