KaylinCross KaylinCross

28-01-2017
Mathematics

contestada

a pet store has a total of 45 cats and dogs. There are 9 more cats than dogs. Find the number of cats and dogs in the store.

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wolf1728 wolf1728

28-01-2017

A) c + d = 45
B) c = d +9
rewriting B
B) c -d =9
adding A and B
2 c = 54
cats = 27
dogs = 18

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