Some children are playing card games. If each of them is given 4 cards, there will be 7 cards left. If each of them is given 2 cards, there will be 29 cards left.
- How many children are there?
- How many cards are there?
(a)
Number of extra cards for the children
= 29 - 7
= 22
Number of extra cards for each child
= 4 - 2
= 2
Number of children
= 22 ÷ 2
= 11
(b)
Number of cards
= 4 x 11 + 7
= 44 + 7
= 51
Answer(s): (a) 11; (b) 51