9/6 = 21/n
3/2 = 21/n Since 3 x 7 = 21, then n must be 14 (2 x 7) and we have:
3/2 = 21/14 or 9/6 = 21/14.
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Both 6 over 9 and 8 over 12 equals to 0.6. This is a math problem.
c/15 = 21/9 → c/15 x 15 = 21/9 x 15 → c = (7x3)/(3x3) x (3x5) → c = 7 x 5 = 35
18 over 9 = 2 so x over 6 = 2 making x = 6 x 2 ie 12
6 + z/9 = 9 Therefore, z/9 = 3 3 x 9 = 27 Therefore, z = 27
There are several possible interpretations of the question:(6/7) / (8/21)6 / [7/(8/21)]6 / [(7/8)/21]et ceteraAssuming it is the first of these, (6/7) / (8/21) = (6/7) * (21/8) = (3/7) * (21/4)= (3/1) * (3/4) = 9/4 or 21/4