Question

Find the compound ratios of the following.
(a) 3:4 and 2:3
(b) 4:5 and 4:5
(c) 5:7 and 2:9​

Answer 1

Step-by-step explanation:

THE COMPOUND RATIO OF

A : B AND C:D = AC : BD

THUS

(a) (3×2):(4×3) = 6 : 12 = 1 : 2

(b) ( 4 × 4 ) : (5 × 5) = 16:25

(c) 5×2 : 7×9 = 10 : 63