For 9x+25=88, Deena wrote the situation "I bought some shirts at the store for 9$ each and received a $25 discount. My total bill was $88. How many shirts did I buy?" What was Deena's mistake?
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Answer:
Step-by-step explanation:
Deena received $25 discount ,This discount should be
subtracted from 9x but Deena added 25 by mistake
Hence total bill
9x-25=88
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