PSLE Henry had 11 more five-dollar notes than fifty-dollar notes at first. He exchanged $250 worth of fifty-dollar notes for five-dollar notes. How many less fifty-dollar notes than five-dollar notes did Henry have after the exchange?
Number |
$5 |
$50 |
Before |
1 u + 11 |
1 u |
Change |
+ 50 |
- 5 |
After |
1 u + 11 + 50 |
1 u - 5 |
Number of fifty-dollar notes that Henry exchanged into five-dollar notes
= 250 ÷ 50
= 5
Number of five-dollar notes that Henry received from the exchange
= 250 ÷ 5
= 50
Number of less fifty-dollar notes than five-dollar notes
= 11 + 50 + 5
= 66
Answer: 66