24 * 30 = 720
24 * 8 = 192
circumference = 24times pi (where pi = 22 / 7 approx.)
Twice if the clock is a 12 hour clock. Once if it is a 24 hour variant.
30 + 30 + 30 + 30 + 30 + 30 = 180
30
30
We don't know what operation you want. 1 x 30 = 30 0 + 30 = 30 60 - 30 = 30 900/30 = 30
30/1 = 30
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30
9 out of 30 = 30%
30