Question
There are 10 stickers in Box B and 30 stickers in Box A.
How many stickers are transferred from Box A to Box B
so that both boxes have equal number of stickers?
4 m

Click button first when a symbol is required. X

There are 10 stickers in Box B and 30 stickers in Box A.
How many stickers are transferred from Box A to Box B
so that both boxes have equal number of stickers?