Question
PSLE
Valen had 13 more one-dollar notes than ten-dollar notes at first. He exchanged $150 worth of ten-dollar notes for one-dollar notes. How many more one-dollar notes than ten-dollar notes did Valen have after the exchange?
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PSLE
Valen had 13 more one-dollar notes than ten-dollar notes at first. He exchanged $150 worth of ten-dollar notes for one-dollar notes. How many more one-dollar notes than ten-dollar notes did Valen have after the exchange?