Michael and Ahmad have a total of 84 cards. If Michael gives Ahmad 15 cards, Ahmad will have 5 times as many cards as him. Find
(a) Michael's cards
(b) Ahmad's cards
|
Michael |
Ahmad |
Total |
Before |
1 u + 15 |
5 u - 15 |
84 |
Change |
- 15 |
+ 15 |
|
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 Michael has
= 1 u + 15
= 14 + 15
= 29
(b)
Number of cards that Ahmad has
= 84 - 29
= 55
Answer(s): (a) 29; (b) 55