If x:y = 3:4 and y:z = 2:5, find x:z.
Show answer & explanation
Correct answer: A
Explanation
Given:
x : y = 3 : 4
y : z = 2 : 5
Formula:
Combine ratios by making like terms
x : y = 3 : 4 × 2 = 6 : 8
y : z = 2 : 5 × 4 = 8 : 20
x : y : z = 6 : 8 : 20
x : z = 6 : 20
= 3 : 10