How Many?
If Cheryl gives David two biscuits, they will have the same number of biscuits each. If David gives two biscuits to Cheryl, then he will have half the number that Cheryl has. How many biscuits have they got between them?
If Cheryl gives David two biscuits, they will have the same number of biscuits each. If David gives two biscuits to Cheryl, then he will have half the number that Cheryl has. How many biscuits have they got between them?