Some children share some marbles.
If each of them gets 11 marbles, there are 2 marbles left.
If each of them takes 9 marbles, there are 22 marbles left.
- How many children are there?
- How many marbles are there?
(a)
Big difference
= 22 - 2
= 20
Small difference
= 11 - 9
= 2
Number of children
= 20 ÷ 2
= 10
(b)
Total number of marbles
= 10 x 11 + 2
= 110 + 2
= 112
Answer(s): (a) 10; (b) 112