Shannon and her cousin have some pens. Shannon had 78 more pens than her cousin. After Shannon gave her cousin 15 pens, her cousin has 84 pens now.
- How many pens did her cousin have at first?
- How many pens does Shannon have now?
|
Shannon |
Her cousin |
Before |
1 u + 78 |
1 u |
Change |
- 15 |
+ 15 |
After |
? |
84 |
(a)
Number of pens that her cousin had at first
= 84 -15
= 69
(b)
Number of pens that Shannon had at first
= 1 u + 78
= 69 + 78
= 147
Number of pens that Shannon has now
= 147 - 15
= 132
Answer(s): (a) 69; (b) 132