7:10 = 3.5:5 = 14:20 = 21:30
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The equivalent ratio to 2:9 can be found by multiplying or dividing both terms by the same non-zero number. In this case, if we multiply both terms by 5, we get the equivalent ratio of 10:45. This is because 2 * 5 = 10 and 9 * 5 = 45. Therefore, the equivalent ratio to 2:9 is 10:45.
20
Multiply both numbers of the ratio, 10/11, by any non-zero number. You will have an equivalent ratio.
To get an equivalent expression multiply both numbers of the ratio, 45:10, by any non-zero number. You will have an equivalent ratio.
17:850