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The manager of the ice cream shop noticed that 90% of all club

members brought along a family member who spent an average
of $18 in the shop. The tax on their bill was 5.5%.
a.
What was the total amount spent by the family members in one
year?

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2 answers
  1. a. no way to tell, without knowing how many members in the club, or how many times they went shopping in a year.

    All we know is that some people spent about $18*1.055 each. Big deal.

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  2. 200×.90=180
    180×18=3,240

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