Let us divide the flour into two groups, A and B now we know from the given question A/B = 4/5 A = 4B/5 We also know there are 18 cups of flour in total. A + B = 18 So (4B/5) + B = 18 (4B/5) + (5B/5) = 18 9B/5 = 18 B = (18*5)/9 = 10 Then A = 18 - B = 18 - 10 = 8 So the ratio of dividing the 18 cups is 8:10
To divide 18 cups of flour in a 4 to 5 ratio, we calculate that for 9 parts total (4 + 5), each part is worth 2 cups. This results in two groups of 8 cups and 10 cups of flour. Therefore, the ratios are maintained correctly with these amounts.
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