Level 3
Adam has 2 times as many red stickers as blue stickers.
He gives away 30 blue stickers.
Adam has 3 times as many red stickers as blue stickers.
How many more red stickers than blue stickers does Adam have at first?
How many less blue stickers than red stickers does Adam have in the end?
Level 3
At a fruit stall, there were 13 as many pears as apples. After 18 apples were sold, the number of pears became 23 as many as the apples. How many fruits were at the fruit stall at first?