swaise7131 swaise7131

27-11-2017
Mathematics

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There are 6 times as many dogs as cats.if the total number of dogs and cats are 21, how many dogs are there

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martinmuriungik martinmuriungik

29-11-2017

let the number of cats be x
then the number of dogs is 6x
the total number of dogs and cats is 21
i.e
6x+x=21
7x=21
x=3
hence we 18 dogs
the number of cats is 3 dogs

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