Question
PSLE
Oscar had 20 more two-dollar notes than fifty-dollar notes at first. He exchanged $450 worth of fifty-dollar notes for two-dollar notes. How many less fifty-dollar notes than two-dollar notes did Oscar have after the exchange?
2 m

Click button first when a symbol is required. X

PSLE
Oscar had 20 more two-dollar notes than fifty-dollar notes at first. He exchanged $450 worth of fifty-dollar notes for two-dollar notes. How many less fifty-dollar notes than two-dollar notes did Oscar have after the exchange?