$\"\"$

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The first recipe calls for $\"\"$ cups of flour and the second calls for $\"\"$ cups of flour.

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The total cups of flour for 3 batches of the first recipe and 2 batches of the second recipe is $\"\"$ .

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Rewrite $\"\"$ as $\"\"$ and rewrite $\"\"$ as $\"\"$ .

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$\"\"$

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Apply distributive property: $\"\"$ .

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$\"\"$

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$\"\"$ $\"\"$

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Apply commutative property of addition: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ . $\"\"$

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The solution is 9.