Some girls are playing card games. If each of them is given 6 cards, there will be 12 cards left. If each of them is given 4 cards, there will be 22 cards left.
- How many girls are there?
- How many cards are there?
(a)
Number of extra cards for the girls
= 22 - 12
= 10
Number of extra cards for each girl
= 6 - 4
= 2
Number of girls
= 10 ÷ 2
= 5
(b)
Number of cards
= 6 x 5 + 12
= 30 + 12
= 42
Answer(s): (a) 5; (b) 42