Some friends are playing card games. If each of them is given 9 cards, there will be 5 cards left. If each of them is given 7 cards, there will be 27 cards left.
- How many friends are there?
- How many cards are there?
(a)
Number of extra cards for the friends
= 27 - 5
= 22
Number of extra cards for each friend
= 9 - 7
= 2
Number of friends
= 22 ÷ 2
= 11
(b)
Number of cards
= 9 x 11 + 5
= 99 + 5
= 104
Answer(s): (a) 11; (b) 104