1.

If m:n = 4:9 and n:s = 3:7 , find m:s

Answer»

Answer:

4: 21

Step-by-step explanation:

m:N = 4:9

n:s = 3:7

m:n:s = 4×3 : 9×3 : 7×9

m : s = 12 : 63 or 4 : 21



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