A gives one to B and they are equal, B gives one to A and A has k times: total

The same question, asked 2 times: 14 Jul 2023 S3*, 18 Sep 2024 S3. Every wording below, oldest first.

Try each one first, then open its answer.

Question 1
14 Jul 2023 S3
71 $A and B have some toffees. If A gives one toffee to B, then they have equal number of toffees. If B gives one toffee to A, then the toffees with A are double with B. The total number of toffees with A and B are ________.$
Tap an option to check your answer.
Question 2
18 Sep 2024 S3
74 $Anna and Ben each have a collection of marbles. If Anna gives one marble to Ben, they will both have an equal number of marbles. Conversely, if Ben gives one marble to Anna, she will end up with three times the number of marbles that Ben has. What is the total number of marbles they both have?$
Tap an option to check your answer.

Question 1