2009 · Q91
If x : y = 1 : 3, y : z = 5: k, z : t = 2 : 5 and t : x + 3 :4, then what is the value of k?
Elementary MathematicsAlgebra
- A½
- B1/3
- C2
- D3
Explanation
Product of ratios = 1 gives k = 1/2.
If x : y = 1 : 3, y : z = 5: k, z : t = 2 : 5 and t : x + 3 :4, then what is the value of k?
Explanation
Product of ratios = 1 gives k = 1/2.