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

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

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User Nochem
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1 Answer

6 votes
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
answered
User Sold Out
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7.6k points
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