jyoti118 jyoti118

26-02-2016
Mathematics

contestada

if cat+rabbit=10 kg, if dog +rabbit = 20 kg, if dog + cat =24 kg, then what is the weight of cat+dog+rabbit

Respuesta :

crisforp crisforp

26-02-2016

cat+rabbit=10 kg
dog +rabbit = 20 kg
dog + cat =24 kg
__________________(+)
2dog + 2cat + 2rabbit = 10kg + 20kg + 24kg;

Then, 2( dog + cat + rabbit ) = 54kg;

Finally, dog + cat + rabbit = 54kg ÷2;

the weight of cat+dog+rabbit is 27kg.

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