It is: 2 to 7
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42 / 63 = 66.666666666667%
The ratio of 63 to 33 can be calculated by dividing 63 by 33, which equals approximately 1.91. This means that for every 33 units, there are approximately 63 units, resulting in a ratio of 63:33 or simplified to 21:11.
The ratio of 63 and 6 can be simplified by dividing both numbers by their greatest common divisor, which is 3. Dividing, we get 63 ÷ 3 = 21 and 6 ÷ 3 = 2. Therefore, the simplified ratio of 63 to 6 is 21:2.
63 - 18 = 45
63 and 9 are in a ratio of 7 to 1