Question

if the the compound ratio of 5:8 and 3:7 is 45:xfind the value of of x​

Answer 1

Answer:

168

Step-by-step explanation:

5:8 and 3:7

Compound ratio = 5*3 : 8*7 = 15:56

15:56 = 45:x

15/56 = 45/x

1/56 = 3/x

1/x = 1/(56*3)

1/x = 1/168

x = 168

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