PSLE Warren had 16 more ten-dollar notes than fifty-dollar notes at first. He exchanged $700 worth of fifty-dollar notes for ten-dollar notes. How many more ten-dollar notes than fifty-dollar notes did Warren have after the exchange?
Number |
$10 |
$50 |
Before |
1 u + 16 |
1 u |
Change |
+ 70 |
- 14 |
After |
1 u + 16 + 70 |
1 u - 14 |
Number of fifty-dollar notes that Warren exchanged into ten-dollar notes
= 700 ÷ 50
= 14
Number of ten-dollar notes that Warren received from the exchange
= 700 ÷ 10
= 70
Number of more ten-dollar notes than fifty-dollar notes
= 16 + 70 + 14
= 100
Answer: 100