Sam and Perry have a total of 84 cards. If Sam gives Perry 40 cards, Perry will have 5 times as many cards as him. Find
(a) Sam's cards
(b) Perry's cards
|
Sam |
Perry |
Total |
Before |
1 u + 40 |
5 u - 40 |
84 |
Change |
- 40 |
+ 40 |
|
After |
1 u |
5 u |
6 u |
(a)
Total number of cards
= 1 u + 5 u
= 6 u
6 u = 84
1 u = 84 ÷ 6 = 14
Number of cards that Sam has
= 1 u + 40
= 14 + 40
= 54
(b)
Number of cards that Perry has
= 84 - 54
= 30
Answer(s): (a) 54; (b) 30