PSLE Rael had 16 more ten-dollar notes than fifty-dollar notes at first. He exchanged $500 worth of fifty-dollar notes for ten-dollar notes. How many more ten-dollar notes than fifty-dollar notes did Rael have after the exchange?
Number |
$10 |
$50 |
Before |
1 u + 16 |
1 u |
Change |
+ 50 |
- 10 |
After |
1 u + 16 + 50 |
1 u - 10 |
Number of fifty-dollar notes that Rael exchanged into ten-dollar notes
= 500 ÷ 50
= 10
Number of ten-dollar notes that Rael received from the exchange
= 500 ÷ 10
= 50
Number of more ten-dollar notes than fifty-dollar notes
= 16 + 50 + 10
= 76
Answer: 76