SOLUTION: 12/b =6/9

Question 702914: 12/b =6/9
Found 2 solutions by jpvn2015, Simnepi:
Answer by jpvn2015(54) (Show Source): You can put this solution on YOUR website!
12/b = 6/9
108 = 6b [cross multiplication]
b=108/6=18
Thus, "b" equals 18.
Answer by Simnepi(216) (Show Source): You can put this solution on YOUR website!
Hopefully your question is
Because we have the numerator of each fraction we must compare those numbers, i.e. 6 and 12.
We can see that 12 is 2 times 6.
This means we have multiplied the top number of the fraction by 2.
For these fractions to be equal we must multiply the bottom number by the same amount that we multiplied the top number of the fraction.
This means we do
2 times 9 = 18
Therefore b = 18
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