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Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number?
- A240
- B180
- C160
- D140
Correct answer: B
Discussion 1
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0
CCommunity
180
3x + 4x = 420
x = 60 => 3x = 180
3x + 4x = 420
x = 60 => 3x = 180