Some boys are playing card games. If each of them is given 7 cards, there will be 6 cards left. If each of them is given 4 cards, there will be 27 cards left.
- How many boys are there?
- How many cards are there?
(a)
Number of extra cards for the boys
= 27 - 6
= 21
Number of extra cards for each boy
= 7 - 4
= 3
Number of boys
= 21 ÷ 3
= 7
(b)
Number of cards
= 7 x 7 + 6
= 49 + 6
= 55
Answer(s): (a) 7; (b) 55