Yen's Proportion Problems

 

     If 3 apples cost $6, how much would 12 apples  cost? 

 

      To make lemonade you need 6 lemons and 8 cups of water. How many lemons do you need it you have 24 cups?

Now it's your turn to solve!

  Three posters cost $9.60. At this rate, how many posters can you buy for $48.