Three people go to a restaurant. Their bill comes to \(\$78.00\). They decide to split the cost. One person pays \(\$4.50\); the next person pays 3 times that amount. How much will the third person have to pay?

\(\$60.00\)

Explanation

First, figure out how much the second person paid: \( \$4.50 \times 3= \$13.50\)
Then, calculate the total amount contributed by the first two people: \(\$4.50 + \$13.50 = \$18.00\)
Finally, calculate how much the third person will have to contribute by subtracting the amount paid \((\$18.00)\) from the original amount owed \((\$78.00)\):
\(\$78.00 - \$18.00 = \$60.00\)

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