PSLE Simon had 13 more five-dollar notes than fifty-dollar notes at first. He exchanged $950 worth of fifty-dollar notes for five-dollar notes. How many more five-dollar notes than fifty-dollar notes did Simon have after the exchange?
Number |
$5 |
$50 |
Before |
1 u + 13 |
1 u |
Change |
+ 190 |
- 19 |
After |
1 u + 13 + 190 |
1 u - 19 |
Number of fifty-dollar notes that Simon exchanged into five-dollar notes
= 950 ÷ 50
= 19
Number of five-dollar notes that Simon received from the exchange
= 950 ÷ 5
= 190
Number of more five-dollar notes than fifty-dollar notes
= 13 + 190 + 19
= 222
Answer: 222