448  Force
2

Name : _________________

 

refresh

Tom is 66 pounds and is playing on a seesaw with his brother. He is placed 2 feet from the fulcrum. His brother is placed 4 feet from it. How much should his brother weigh to be balanced?


Tom is 108 pounds and is playing on a seesaw with his brother. He is placed 1 feet from the fulcrum. His brother is placed 3 feet from it. How much should his brother weigh to be balanced?


Tom is 70 pounds and is playing on a seesaw with his brother. He is placed 3 feet from the fulcrum. His brother is placed 6 feet from it. How much should his brother weigh to be balanced?


Tom is 105 pounds and is playing on a seesaw with his brother. He is placed 5 feet from the fulcrum. His brother is placed 15 feet from it. How much should his brother weigh to be balanced?


Tom is 64 pounds and is playing on a seesaw with his brother. He is placed 3 feet from the fulcrum. His brother is placed 6 feet from it. How much should his brother weigh to be balanced?


Tom is 72 pounds and is playing on a seesaw with his brother. He is placed 4 feet from the fulcrum. His brother is placed 8 feet from it. How much should his brother weigh to be balanced?


Tom is 136 pounds and is playing on a seesaw with his brother. He is placed 5 feet from the fulcrum. His brother is placed 20 feet from it. How much should his brother weigh to be balanced?


시소 받침점부터, 몸무게가 74 lbs 인 톰이 1 피이트 멀리 앉아있고, 그의 동생은 2 피이트(ft) 멀리 앉아있다. 무게중심을 위해, 동생의 몸무게는 얼마여야 되는가?


Tom is 102 pounds and is playing on a seesaw with his brother. He is placed 2 feet from the fulcrum. His brother is placed 6 feet from it. How much should his brother weigh to be balanced?


Tom is 136 pounds and is playing on a seesaw with his brother. He is placed 4 feet from the fulcrum. His brother is placed 16 feet from it. How much should his brother weigh to be balanced?


+(         )

 

(         )+

++[[          ]]++

448    33 36 35 35 32 ( 171 )   36 34 37 34 34 ( 175 )   [[ 346 ]]