Xandra has some pens. She has 17 less pens in Packet N than in Packet P. After 27 pens were transferred from Packet P to Packet N, there were 80 pens in Packet P.
- How many pens were there in Packet P at first?
- How many pens were there in Packet N in the end?
|
Packet N |
Packet P |
Before |
1 u |
1 u + 17 |
Change |
+ 27 |
- 27 |
After |
1 u + 27 |
80 |
(a)
Number of pens in Packet P at first
= 80 + 27
= 107
(b)
Number of pens in Packet N at first
= 107 - 17
= 90
Number of pens in Packet N in the end
= 90 + 27
= 117
Answer(s): (a) 107; (b) 117