1 and 3.
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question: find the percentage A is of B = (B-A)/B x 100 . You must then take the answer and subtract it from 100 to get the correct answer, which would make the formula: (B-A)/B x 100 = C, 100 - C = percentage A is of B for example, find what percentage 57 is of 90: B - A 90-57=33 /B 33/90=0.3666 x 100 0.3666 x 100 = 36.66. 100 - 36.66 = 63.33, which is the percentage that 57 is of 90
Exactly as it is 57
Since the greater number 57 is an odd number, then the other number must be 38 which is an even number, smaller than 57.
1, 3, 19, 57
The LCM of 45 and 10 is 90