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Billy is known to his friends as the "mathwiz" for his
excellent mathematical ability. One day, he bought 4 items worth $6.75
from a store. During the check out, his friend alerted him that the store
clerk, instead of adding the prices, multiplied the prices of the 4 items he
bought. Billy did not seem to care much about it. Instead, he said,
"The price is the same whether you multiplied them or added them."
If one of the items he bought was worth $1.50, what are the prices of the three
other items he bought.
SOLUTION: $1.00, $1.50, $2.00 and $2.25.
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