Question: Charlotte, Lisa, and Patricia have a joint baseball collection. One of their friends is selling a rare baseball card for $100 on his website. Not wanting to miss such a rare opportunity, they have pooled all their money to buy the card. Patricia has $6. Lisa has five times Patricia’s money, but double Charlotte’s. How much more money do they require? Think carefully first, then make a decision:
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Since Patricia has 6 dollars, then Lisa has 6 * 5 = 30 dollars. Patricia’s money is double Charlotte’s, meaning that Charlotte has 30 / 2 = 15 dollars. Adding up all the money they have gives a total of 6 + 30 + 15 = 51 dollars. Since the rare card costs 100 dollars, the girls require an additional 100 - 51 = 49 dollars. So the answer is 49.
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