Question
PSLE
Cole had 11 more one-dollar notes than five-dollar notes at first. He exchanged $90 worth of five-dollar notes for one-dollar notes. How many more one-dollar notes than five-dollar notes did Cole have after the exchange?
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PSLE
Cole had 11 more one-dollar notes than five-dollar notes at first. He exchanged $90 worth of five-dollar notes for one-dollar notes. How many more one-dollar notes than five-dollar notes did Cole have after the exchange?