Question
PSLE
Ivan had 17 more two-dollar notes than ten-dollar notes at first. He exchanged $90 worth of ten-dollar notes for two-dollar notes. How many more two-dollar notes than ten-dollar notes did Ivan have after the exchange?
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PSLE
Ivan had 17 more two-dollar notes than ten-dollar notes at first. He exchanged $90 worth of ten-dollar notes for two-dollar notes. How many more two-dollar notes than ten-dollar notes did Ivan have after the exchange?