2 items are filed under this topic.








How many cats are needed to catch 60 rats in 1 hour? 
20110419 

From Melody: If 3 cats can catch 3 rats in 3 minutes, how many cats are needed to catch 60 rats in 1 hour? Answered by Penny Nom. 





Karats 
20070601 

From Lisa: What is the karat count of gold in a bracelet that contains 15g of gold and 5 g of silver? Answered by Penny Nom. 


