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the ratio between 63 and 70 is 9:10, because if u divide 63/7 equals 9 and 70/7 equals 10.
It is 9/7.
7*n-n 7*2-2=12 9*2-2=16
The ratio 14 to 18 can be simplified to 7:9. This means that for every 7 units of the first quantity, there are 9 units of the second quantity.
63 and 9 are in a ratio of 7 to 1