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Problem of the Week
Problem A and Solution
Zoo Field Trip


The following list gives the fees at the POTW Children’s Zoo.

The Entry Fee is 8 dollars. Petting the Llamas costs 5
dollars. The Monkey Habitat Zip Line costs 4 dollars. The Zoo Lunch
costs 7 dollars.

Yesterday the POTW Children’s Zoo had \(24\) visitors. One quarter of the visitors went to pet the llamas, one half of the visitors used the zip line, and \(5\) visitors had the zoo lunch. How much money did the POTW Children’s Zoo make yesterday?


We can determine the amount of money that the POTW Children’s Zoo made yesterday by adding the total amounts for each type of fee.

Entry fees would be \(24 \times \$8 = \$192\).

Since one quarter of \(24\) is \(24 \div 4 = 6\), then the extra fees for petting the llamas would total \(6 \times \$5 = \$30\).

Since one half of \(24\) is \(24 \div 2 = 12\), then the extra fees for the zip line would total \(12 \times \$4 = \$48\).

The money made for the \(5\) lunches would total \(5 \times \$7 = \$35\).

Altogether, the POTW Children’s Zoo made \(\$192 + \$30 + \$48 + \$35 = \$305\) yesterday.