Some children share some stickers.
If each of them gets 4 stickers, 7 more stickers are needed.
If each of them takes 6 stickers, 27 more stickers are needed.
- How many children are there?
- How many stickers are there?
(a)
Big difference
= 27 - 7
= 20
Small difference
= 6 - 4
= 2
Number of children
= 20 ÷ 2
= 10
(b)
Total number of stickers
= 10 x 4 - 7
= 40 - 7
= 33
Answer(s): (a) 10; (b) 33