2012 · Q39
If x : y = 7 : 5, then what is (5x - 2y) : (3x + 2y) equal to?
Elementary MathematicsArithmetic
- A5/4
- B6/5
- C25/31
- D31/42
Explanation
(35-10)/(21+10) = 25/31.
If x : y = 7 : 5, then what is (5x - 2y) : (3x + 2y) equal to?
Explanation
(35-10)/(21+10) = 25/31.