PSLE Japheth had 19 more five-dollar notes than fifty-dollar notes at first. He exchanged $1000 worth of fifty-dollar notes for five-dollar notes. How many more five-dollar notes than fifty-dollar notes did Japheth have after the exchange?
Number |
$5 |
$50 |
Before |
1 u + 19 |
1 u |
Change |
+ 200 |
- 20 |
After |
1 u + 19 + 200 |
1 u - 20 |
Number of fifty-dollar notes that Japheth exchanged into five-dollar notes
= 1000 ÷ 50
= 20
Number of five-dollar notes that Japheth received from the exchange
= 1000 ÷ 5
= 200
Number of more five-dollar notes than fifty-dollar notes
= 19 + 200 + 20
= 239
Answer: 239