Explanation of the steps:
Cat ++ Mouse =8kg=8๐๐
Dog ++ Mouse =11kg=11๐๐
Dog ++ Cat =15kg=15๐๐
โ2(โ2(Cat ++ Mouse ++ Dog)=8+11+15=34)=8+11+15=34
โโ Cat ++ Mouse ++ Dog =34:2=17(kg).
Explanation of the steps:
Cat ++ Mouse =8kg=8๐๐
Dog ++ Mouse =11kg=11๐๐
Dog ++ Cat =15kg=15๐๐
โ2(โ2(Cat ++ Mouse ++ Dog)=8+11+15=34)=8+11+15=34
โโ Cat ++ Mouse ++ Dog =34:2=17(kg).