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brianna9 brianna9
  • 12-08-2015
  • Mathematics
Answered

what is the better buy? 15 ounces for 1.79 or 12 ounces for 1.49

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 12-08-2015

15:1.79 or 12:1.49
make fractions
15/1.79
12/1.49
find LCM of 12 and 15
find factors of 12 and 15
12=2 times 2 times 3
15=3 times 5
LCM=2 times 2 times 3 times 5=60
multiply 15/1.79 by 4/4=60/7.16
multiply 12/1.49 by 5/5=60/7.45
7.45>7.16 so therefor 12oz for 1.49 is better

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