Luis and Cole have a total of 75 cards. If Luis gives Cole 16 cards, Cole will have 4 times as many cards as him. Find
(a) Luis's cards
(b) Cole's cards
|
Luis |
Cole |
Total |
Before |
1 u + 16 |
4 u - 16 |
75 |
Change |
- 16 |
+ 16 |
|
After |
1 u |
4 u |
5 u |
(a)
Total number of cards
= 1 u + 4 u
= 5 u
5 u = 75
1 u = 75 ÷ 5 = 15
Number of cards that Luis has
= 1 u + 16
= 15 + 16
= 31
(b)
Number of cards that Cole has
= 75 - 31
= 44
Answer(s): (a) 31; (b) 44