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Mathematics 20 Online
OpenStudy (anonymous):

in a pet store there are 12 dogs and 10 cats. the ratio of dogs to cats is proportional to the ratio of hamsters to guinea pigs. how many hamsters are there in the store if there are 15 guinea pigs?

OpenStudy (nikita2):

18

OpenStudy (anonymous):

let no. of hamsters be = x => 12/10=x/15 => x=18

OpenStudy (anonymous):

thank u...:)

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