4/9 of 27 = 4/9 x 27
= (4 x 27)/9
= 12
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9 + 2*(5 + 4) = 9 + 2*9 = 9 + 18 = 27
I do this kind of problem in two steps. First, 27/9 = 3. Then 4 x 3 = 12. So 4/9 of 27 is 12.1227 * (4/9) = 12
36/9 = 4 36 - 9 = 27 The two numbers are therefore 9 and 36.
It is (9*12)/4 = 27
4/9 ÷ 8/27 = 3/2 or 11/2