A recipe for brownies calls for 1 1/4 cup of cocoa powder per batch. If you bake 3 batches, how much cocoa powder is needed?

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Multiple Choice

A recipe for brownies calls for 1 1/4 cup of cocoa powder per batch. If you bake 3 batches, how much cocoa powder is needed?

Explanation:
Multiplying a mixed number by a whole number. Each batch needs 1 1/4 cups, and you’re making 3 batches. Break it down: 1 1/4 × 3 = (1 × 3) + (1/4 × 3) = 3 + 3/4 = 3 3/4 cups. So you’ll need 3 3/4 cups of cocoa powder. The other amounts don’t match the total for 3 batches of 1 1/4 cups.

Multiplying a mixed number by a whole number. Each batch needs 1 1/4 cups, and you’re making 3 batches. Break it down: 1 1/4 × 3 = (1 × 3) + (1/4 × 3) = 3 + 3/4 = 3 3/4 cups. So you’ll need 3 3/4 cups of cocoa powder. The other amounts don’t match the total for 3 batches of 1 1/4 cups.

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