Adam buys some stickers for his friends.
If he gives each of them 4 stickers, he has 20 stickers left.
If he gives each of them 8 stickers, he has 4 stickers left.
- How many friends are there?
- How many stickers does Adam buy?
(a)
Big difference
= 20 - 4
= 16
Small difference
= 8 - 4
= 4
Number of friends that Adam gives to
= 16 ÷ 4
= 4
(b)
Number of stickers that Adam buys
= 4 x 4 + 20
= 16 + 20
= 36
Answer(s): (a) 4; (b) 36