A store sells 24 greeting cards for $12 . Which is NOT a unit rate to describe this sale?

Question

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Answer 1

Unit Rate means "How much/many of these for one of those?"

 

Of course, units are very important in unit rates.

 

This problem has (number of cards) and (dollars) as units.  Here are the possibilities:

      (number of cards) / (1 dollar):        24/12 = 2 cards per dollar

      (dollars) / (1 card):                        12/24 - $0.50 per card

 

Now, check for other values to answer the question.          

 

 

Answer 2

24 greeting card for $12

 

so 1 crad for 12/24=$0.50

 

there is no other unit rate than $0.50