Question

11. If A: C= 5:8 and B: C= 5:6, find
(i) A:B
(ii) A:B:C​

Answer 1

Answer:

A/B = 30/40

A:B:C = 30:40:48

Step-by-step explanation:

A: C= 5:8____(1)

by (1) × 6

A:C = 30:48____(3)

B: C= 5:6____(2)

by (2) × 8

B:C = 40/48____(4)

By (3) ÷ (4)-

A/C ÷ B/C = 30/48 ÷ 40/48

A/B = 30/40 ____(5) (ANSWER)

By (5) and (4) -

A:B:C = 30:40:48