Nick and Riordan had a total of 114 cards. Riordan had half as many cards as Nick. How many cards must Nick give to Riordan so they have an equal number of cards?
| |
Nick |
Riordan |
Total |
| Before |
2 u |
1 u |
114 |
| Change |
- ? |
+ ? |
|
| After |
1 |
1 |
|
Total number of cards at first = 3 u
1 u = 114 ÷ 3 = 38
Nick and Riordan have an equal number of cards in the end.
Number of cards that Riordan has in the end
= 114 ÷ 2
= 57
Number of cards that Nick must give to Riordan
= 57 - 38
= 19
Answer(s): 19
