Hazel has some pens. She has 18 less pens in Bag Y than in Bag Z. After 28 pens were transferred from Bag Z to Bag Y, there were 92 pens in Bag Z.
- How many pens were there in Bag Z at first?
- How many pens were there in Bag Y in the end?
|
Bag Y |
Bag Z |
Before |
1 u |
1 u + 18 |
Change |
+ 28 |
- 28 |
After |
1 u + 28 |
92 |
(a)
Number of pens in Bag Z at first
= 92 + 28
= 120
(b)
Number of pens in Bag Y at first
= 120 - 18
= 102
Number of pens in Bag Y in the end
= 102 + 28
= 130
Answer(s): (a) 120; (b) 130