|
2 articles trouvés pour ce sujet.
 |
|
|
|
|
|
|
|
|
How many cats are needed to catch 60 rats in 1 hour? |
2011-04-19 |
|
Melody pose la question :
If 3 cats can catch 3 rats in 3 minutes, how many cats are needed to catch 60 rats in 1 hour?
Penny Nom lui répond. |
|
|
|
|
|
|
Karats |
2007-06-01 |
|
Lisa pose la question :
What is the karat count of gold in a bracelet that contains 15g of gold and 5 g of silver?
Penny Nom lui répond. |
|
|
|
