Question:
A clothing store offered 120 dresses at a 20% discount during a weekday sale. The line graph shows the number of dresses left unsold at the end of each day.
(a) On which day was the most number of dresses sold?
(b) The discounted price of each dress was $60 during the sale. After the sale, the remaining dresses were sold without discount. What was the total amount of money collected from selling all 120 dresses?
Solution:
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