Aquariums 80526

Mirko has a total of 137 fish in three aquariums. He has 19 more fish in the largest aquarium than in the medium. There are 5 fewer fish in the smallest than in the middle one. How many fish does Mirko have in the smallest aquarium?

Correct answer:

c =  36

Step-by-step explanation:

a+b+c=137 a=19+b c=b5  a+b+c=137 ab=19 bc=5  Row2Row1Row2 a+b+c=137 2bc=118 bc=5  Row321 Row2Row3 a+b+c=137 2bc=118 1.5c=54  c=1.554=36 b=2118+c=2118+36=41 a=137bc=1374136=60  a=60 b=41 c=36

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