Diana and Yoko had an equal number of marbles at first. After Diana gave 6 marbles to Yoko, Yoko had 20 marbles. How many marbles does Diana have in the end?
|
Diana |
Yoko |
Before |
1 u |
1 u |
Change |
- 6 |
+ 6 |
After |
1 u - 6 |
20 |
Number of marbles that Yoko had at first
= 20 - 6
= 14
1 u = 14
Number of marbles that Diana had at first = 14
Number of marbles that Diana had in the end
= 1 u - 6
= 14 - 6
= 8
Answer(s): 8