An algebra problem by vicky shan
Algebra
Level
pending
The weight of cat and dog is 15kg.The weight of cat and a rat is 7.5kg.The rat's weight is half a time of cats.The total weight of all the three is 17.5.Then find the weight of each animals.
cat-5kg,rat-2.5kg,dog-10kg
cat-5kg,dog-12kg,rat-0.5kg
dog-8kg,cat-5kg,rat-2.5kg
rat-4kg,cat-2(rat's weight),dog-5.5kg.
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1 solution
rat's weight-x,cat's weight -y,dog's weight-z.Use the elimination methods in algebra