Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number?  Options
A) 150
B) 125
C) 140
D) 180
E) 200
3x+4x = 420   x=60== 3x=180   ANSWER 180
<result>D</result>
Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number?