Choose all the ways that this scenario, "1 dozen bagels for $13.08 is the same as 3 dozen bagels for $39.24," can solved using this proportion: 1=13.08 3=39.24

Cross multiply: 1
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39.24 and 3
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13.08.

Both equal 39.24.

Therefore, this is a proportion.

If 1 dozen is $13.08, then 2 dozen would be $26.16 and 3 dozen would be $39.24. So, yes, this is a true proportion.

3 divided by 1 is 3.

39.24 divided by 13.08 is 3.

Since this is the same amount, it is a proportion.

1
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3 = 3

13.08
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3 = 39.24

This proves equality which means the fractions are proportional.