Quantitative Literacy Practice Exam

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How much is a 20% tip on a dinner bill of $36.00?

$6.00
$7.20
$8.00
$7.50

The correct answer is: $7.20

To calculate a 20% tip on a dinner bill of $36.00, you need to find 20% of the total amount. First, convert the percentage to a decimal by dividing by 100. Therefore, 20% becomes 0.20. Next, multiply the total bill amount by this decimal: $36.00 × 0.20 = $7.20. This calculation shows that a tip of 20% on a $36.00 dinner bill is indeed $7.20, confirming that the answer is correct. This approach can be applied to calculate tips of different percentages by simply adjusting the decimal.