Some boys are playing card games. If each of them is given 5 cards, there will be 9 cards left. If each of them is given 2 cards, there will be 30 cards left.
- How many boys are there?
- How many cards are there?
(a)
Number of extra cards for the boys
= 30 - 9
= 21
Number of extra cards for each boy
= 5 - 2
= 3
Number of boys
= 21 ÷ 3
= 7
(b)
Number of cards
= 5 x 7 + 9
= 35 + 9
= 44
Answer(s): (a) 7; (b) 44