Question

If A: B = 3:4 and B: C= 6:5, then what is A: (B+C) = ?
(a) 9 : 22
(b) 10:9 (c) 9: 19 (d) 19:9​

Answer 1

Answer:

(a) 9:22

Step-by-step explanation:

A:B = 3:4 B:C = 6:5

when a:b multiply by 6

b:c multiply by 4

then. A:B;C is 9: 12: 10

so. A: (B+C) is. 9 : 22

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