Math problems for elementary school students March 20, 2025 - by pc2 - Leave a Comment Explanation of the steps: Cat ++ Mouse =8kg=8𝑘𝑔 Dog ++ Mouse =11kg=11𝑘𝑔 Dog ++ Cat =15kg=15𝑘𝑔 ⇒2(⇒2(Cat ++ Mouse ++ Dog)=8+11+15=34)=8+11+15=34 ⇒⇒ Cat ++ Mouse ++ Dog =34:2=17(kg).