Zara and Wendy had an equal number of pens at first. After Zara gave 10 pens to Wendy, Wendy had 25 pens. How many pens does Zara have in the end?
| |
Zara |
Wendy |
| Before |
1 u |
1 u |
| Change |
- 10 |
+ 10 |
| After |
1 u - 10 |
25 |
Number of pens that Wendy had at first
= 25 - 10
= 15
1 u = 15
Number of pens that Zara had at first = 15
Number of pens that Zara had in the end
= 1 u - 10
= 15 - 10
= 5
Answer(s): 5
