Shop-a-Lot grocery store sells bananas for $3.28 per pound. The bunch of bananas that Mary purchased weighed 2.7 pounds. How much did she pay for her bananas?

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.

It will be a whole number.

The answer is 30 minutes to an hour