Question
Adam has some red stickers and blue stickers.
The number of red stickers is increased by 20% to 78.
The number of blue stickers is increased by 50% to 72.
  1. How many stickers are there at first?
  2. How many stickers are there in the end?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Adam has some red stickers and blue stickers.
The number of red stickers is increased by 20% to 78.
The number of blue stickers is increased by 50% to 72.
  1. How many stickers are there at first?
  2. How many stickers are there in the end?