What was the question for this implicit rationale, and corresponding answer?
Her cash back app gave her 10% back on $150.00 so that's .10 * 150 = $15.00 cash back. She received $15.00 from the cashback app and has a $25.00 mail - in rebate for a total of 15 + 25 = $40.00 discounts. She spent $150.00 for the medicine and has $40.00 worth of discounts so the medicine will cost 150 - 40 = $110.00.
 The answer: 110
The question: Stacy just bought a 6 month prescription of flea & tick medicine for her dog for $150.00 online. Her cashback app was offering 10% cashback and she has a mail-in rebate for $25.00 on a 6-month prescription. How much will the medicine cost after cash back and rebate offers?