Solve.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Cream Rinse: $5.15 for 6 ounces $11.90 for 14 ounces
A. $11.90 for 14 ounces
B. $5.15 for 6 ounces
C. Both cost the same per ounce.
Answer: A
Mathematics
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, 
, 
.
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= 
, 
= 
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