prompt: While passing by a store, Miley noticed that a bag that cost $150 last week is now on sale for $135. What percent is the discount?
messages.content: While passing by a store, Miley noticed that a bag that cost $150 last week is now on sale for $135. What percent is the discount?
messages.role: user
messages.content: The bag is now sold for $150 - $135 = $<<150-135=15>>15 less.
  The discount is 15/150 = 1/10.
  Thus, the percent discount is 1/10 x 100% = 10%.
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messages.role: assistant