Answer:
8.70
Explanation:
3 * 4 = 12.
12 = 1 dozen
So you have to multiply 2.90 * 3
The answer is 8.70
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That's one way to do the problem. Here's another.
4 muffins = $2.90
12 muffins = x Cross multiply.
4x = 12*2.90
4x = 34.80 Divide by 4
4x/4 = 34.80/4 Do the division
x = $8.70