Lucy and her sister have some coins. Lucy had 80 more coins than her sister. After Lucy gave her sister 11 coins, her sister has 64 coins now.
- How many coins did her sister have at first?
- How many coins does Lucy have now?
|
Lucy |
Her sister |
Before |
1 u + 80 |
1 u |
Change |
- 11 |
+ 11 |
After |
? |
64 |
(a)
Number of coins that her sister had at first
= 64 -11
= 53
(b)
Number of coins that Lucy had at first
= 1 u + 80
= 53 + 80
= 133
Number of coins that Lucy has now
= 133 - 11
= 122
Answer(s): (a) 53; (b) 122