Anna and Jaslyn had an equal number of marbles at first. After Anna gave 2 marbles to Jaslyn, Jaslyn had 20 marbles. How many marbles does Anna have in the end?
|
Anna |
Jaslyn |
Before |
1 u |
1 u |
Change |
- 2 |
+ 2 |
After |
1 u - 2 |
20 |
Number of marbles that Jaslyn had at first
= 20 - 2
= 18
1 u = 18
Number of marbles that Anna had at first = 18
Number of marbles that Anna had in the end
= 1 u - 2
= 18 - 2
= 16
Answer(s): 16