Problema Solution
In a pet store the number of dogs is 12 more than three times the number of cats. If the pet store has 21 dogs, how many cats does it have?
Answer provided by our tutors
Let 'x' represent the number of cat.
12 + 3x = 21
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click here to see the equation solved for x
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x = 3 cats
The pet store has 3 cats.