Question
PSLE
Ken had 11 more one-dollar notes than fifty-dollar notes at first. He exchanged $650 worth of fifty-dollar notes for one-dollar notes. How many more one-dollar notes than fifty-dollar notes did Ken have after the exchange?
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PSLE
Ken had 11 more one-dollar notes than fifty-dollar notes at first. He exchanged $650 worth of fifty-dollar notes for one-dollar notes. How many more one-dollar notes than fifty-dollar notes did Ken have after the exchange?