DragonWarrior1093 DragonWarrior1093

26-12-2017
Mathematics

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The ratio of dogs and cats is 6:7. if the total number of animals is 52, how many cats and how many dogs

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Аноним Аноним

26-12-2017

d/c = 6/7 => d = 6c/7

d + c = 52
6c/7 + c = 52
6c + 7c = 364
13c = 364
c = 364÷13
c = 28
d = 52 - 28
d = 24

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