Some friends are playing card games. If each of them is given 9 cards, there will be 9 cards left. If each of them is given 6 cards, there will be 24 cards left.
- How many friends are there?
- How many cards are there?
(a)
Number of extra cards for the friends
= 24 - 9
= 15
Number of extra cards for each friend
= 9 - 6
= 3
Number of friends
= 15 ÷ 3
= 5
(b)
Number of cards
= 9 x 5 + 9
= 45 + 9
= 54
Answer(s): (a) 5; (b) 54