What must be added to each term of the ratio 7:11, So as to make it equal to 3:4?  Options
A) 8  B) 7.5  C) 6.5  D) 5  E) 6
Solution: Let x be added to each term.   According to question,   (7+x)/(11+x) = 3/4;   Or, 33+3x = 28+4x;   Or, x = 5.   Answer: Option 5
<result>D</result>
What must be added to each term of the ratio 7:11, So as to make it equal to 3:4?