Question a-wait
A waiter receives tips from each customer. On average, the tip is 15% of the customer’s bill. At this rate, which of the following is closest to the tip the waiter can expect when a customer has a bill that is $78.20?
$8.00
$10.00
$12.00
$14.00
A waiter receives tips from each customer. On average, the tip is 15% of the customer’s
Medium-difficulty · SAT Math · Percentages — Discounts, markups, tax, tips. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice C is correct. If the bill is $78.20, 15% of the bill can be found by multiplying 78.20 by the decimal conversion of 15%, 78.20 × 0.15 = $11.73. The exact amount $11.73 is closest in value to $12.00.
Choices A, B, and D are incorrect and may be the result of errors when calculating 15% of the total $78.20.
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