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raketka [301]
3 years ago
6

12 chocolate bars for $22 or 20 chocolate bars for $33 use unit rate to determine the better buy.

Mathematics
1 answer:
jekas [21]3 years ago
6 0
12c=22
6c=11
c=1 5/6
20c=33
c= 1 13/20
5/6 is about .83
13/20 is .65
12 chocolate bars for $22 is about $1.83 each
20 chocolate bars for $33 is $1.65 each

The 20 chocolate bars for $33 dollars has a better unit rate and is a better buy.
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\large\boxed{D.\ -\dfrac{1}{3}}

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