Some students are playing card games. If each of them is given 5 cards, there will be 7 cards left. If each of them is given 2 cards, there will be 25 cards left.
- How many students are there?
- How many cards are there?
(a)
Number of extra cards for the students
= 25 - 7
= 18
Number of extra cards for each student
= 5 - 2
= 3
Number of students
= 18 ÷ 3
= 6
(b)
Number of cards
= 5 x 6 + 7
= 30 + 7
= 37
Answer(s): (a) 6; (b) 37