12-04-2015
Mathematics

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a woman owns 21 pets .Each of her pet is either a cat or a bird.If the pets have a total of 76 legs, how many birds does the woman own

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12-04-2015

a bird has 2 legs half 76 which is 38 but she doesn't own 38 pets so half 38 which is 19 so 19 birds tell me if it was useful

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