Sabrina and Zoe had an equal number of pens at first. After Sabrina gave 11 pens to Zoe, Zoe had 28 pens. How many pens does Sabrina have in the end?
|
Sabrina |
Zoe |
Before |
1 u |
1 u |
Change |
- 11 |
+ 11 |
After |
1 u - 11 |
28 |
Number of pens that Zoe had at first
= 28 - 11
= 17
1 u = 17
Number of pens that Sabrina had at first = 17
Number of pens that Sabrina had in the end
= 1 u - 11
= 17 - 11
= 6
Answer(s): 6