Yesterday, Neave had 21 more cards than Billy. Today, Neave gave Billy
58 of his cards. As a result, he has half as many cards as Billy now. How many cards did Neave have yesterday?
|
Neave |
Billy |
More |
Before |
8 u |
1 u |
7 u |
Change |
- 5 u |
+ 5 u |
|
After |
3 u |
6 u |
|
Comparing Neave and Billy in the end |
1
|
2
|
|
Number of cards that Billy has now
= 2 x 3 u
= 6 u
Number of cards that Neave had more than Billy yesterday
= 8 u - 1 u
= 7 u
7 u = 21
1 u = 21 ÷ 7 = 3
Number of cards that Neave had yesterday
= 8 u
= 8 x 3
= 24
Answer(s): 24