Mary added cups of sugar.
The ratio of flour to sugar exists at 9 cups: 2 4/7 cups
Utilizing equivalent ratios, given that 7 cups of sugar was utilized,
Let cups of flour needed = x such that our equation becomes
flour/sugar
Convert mixed numbers into improper fractions
simplifying the above equation, we get
=
x = 24.5
The value of x = 24.5.
Therefore, cups of sugar exist required.
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