Level 2
Kevin has 6 coins in his wallet. They are either ten-cent coins or five-cent coins. What is the biggest possible amount of money in his wallet when he has one or more five-cent coins? Express your answer in dollars.
Level 2
Kevin has 6 coins in his wallet. They are either ten-cent coins or five-cent coins. What is the biggest possible amount of money in his wallet when he has one or more five-cent coins? Express your answer in dollars.
Level 3 The mass of a container when it is 17 full is 6.03 kg. The mass of a container when it is half full is 11.53 kg. What is the mass of the container when it is empty??