Question

if a:b b= 4:7 and b:c=9:5 find a:c​

Answer 1

Answer:

Here, a:b = 4:7

b:c = 9:5

Now, a:b = a/b = 4/7 × 9/9 [ Since, b = 9 in the next ratio] = 36/63

And, b:c = 9:5 = 9/5 × 7/7 ( Since, b = 7 in thr first ratio ) = 63/35

Therefore,

a:c = 35:36

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