PSLE Will had 16 more five-dollar notes than fifty-dollar notes at first. He exchanged $800 worth of fifty-dollar notes for five-dollar notes. How many more five-dollar notes than fifty-dollar notes did Will have after the exchange?
Number |
$5 |
$50 |
Before |
1 u + 16 |
1 u |
Change |
+ 160 |
- 16 |
After |
1 u + 16 + 160 |
1 u - 16 |
Number of fifty-dollar notes that Will exchanged into five-dollar notes
= 800 ÷ 50
= 16
Number of five-dollar notes that Will received from the exchange
= 800 ÷ 5
= 160
Number of more five-dollar notes than fifty-dollar notes
= 16 + 160 + 16
= 192
Answer: 192