Question
There are 100 stickers in Box T and 55 stickers in Box U.
Some stickers are transferred from Box T to Box U.
Box T has 15 more stickers than Box U.
How many stickers are transferred from Box T to Box U?
4 m

Click button first when a symbol is required. X

There are 100 stickers in Box T and 55 stickers in Box U.
Some stickers are transferred from Box T to Box U.
Box T has 15 more stickers than Box U.
How many stickers are transferred from Box T to Box U?