Some children are playing card games. If each of them is given 5 cards, there will be 10 cards left. If each of them is given 3 cards, there will be 20 cards left.
- How many children are there?
- How many cards are there?
(a)
Number of extra cards for the children
= 20 - 10
= 10
Number of extra cards for each child
= 5 - 3
= 2
Number of children
= 10 ÷ 2
= 5
(b)
Number of cards
= 5 x 5 + 10
= 25 + 10
= 35
Answer(s): (a) 5; (b) 35