Percents quiz

A waiter at Sam's received a 15% gratuity based on the subtotal of the check shown. What fraction of the subtotal was the gratuity?

• 1/15

• 3/20

• 1/20

• 6/15

Answer explanation

To find the fraction of the subtotal that the gratuity represents, convert 15% to a fraction: 15% = 15/100 = 3/20. Thus, the gratuity is 3/20 of the subtotal, making the correct answer 3/20.

Kenia left a 20% gratuity on the subtotal shown. What is the total?

• $8.13

• $32.53

• $40.86

• $48.79

Answer explanation

To find the total, calculate 20% of the subtotal. If the subtotal is $40.66, then 20% is $8.13. Adding this gratuity to the subtotal gives $48.79, which is the correct total.

Two-fifths of the children in first grade, including Brittany and Justin, are dropped off at school by their parents. What % of first-graders are dropped off at school.

• 5

• 25

• 40

• 60

Answer explanation

Two-fifths means 2 out of 5, which is equivalent to 40%. Therefore, 40% of first-graders, including Brittany and Justin, are dropped off at school by their parents.

Of 140 students in Lindsay's class, 85% have taken driver's education and earned their driver's licenses. How many students have taken driver's education and earned their licenses?

• 21

• 55

• 85

• 119

Answer explanation

To find the number of students who have taken driver's education, calculate 85% of 140. This is done by multiplying 140 by 0.85, which equals 119. Therefore, 119 students have taken driver's education and earned their licenses.

Each semester, about 3/25 of students at a college, including Ana and Wenceslada, study abroad. What % of students study abroad.

• 9%

• 12%

• 22%

• 75%

Answer explanation

To find the percentage of students studying abroad, calculate (3/25) * 100. This equals 12%, which is the correct answer. Therefore, 12% of students study abroad.

Sierra needs 500 fliers to be printed at a cost of $2 per flier. Because of the size of the order, the print shop is asking Sierra to pay 30% up front. Sierra must make a down payment of $?.

• 60

• 150

• 300

• 530

Answer explanation

To find the down payment, calculate 30% of the total cost. The total cost for 500 fliers at $2 each is $1000. Thus, 30% of $1000 is $300. Therefore, Sierra must make a down payment of $300.

Caroline paid 20% down on a new car that cost $16,584.00. She will pay the balance in 24 equal monthly installments. She will pay $? each month.

• 1,105.60

• 667.18

• 552.80

• 132.20

Answer explanation

Caroline paid 20% down on a $16,584 car, which is $3,316.80. The balance is $13,267.20. Dividing this by 24 months gives $552.80 per month, making it the correct answer.

Brittany works in sales and earns a salary of $2,500 per month, plus a commission of 8% of her total sales. Last month, Brittany's sales totaled $42,800. Brittany earned a total of $ ______ last month.

• 5,924.00

• 3,424.00

• 2,000.00

• 200.00

Answer explanation

Brittany's total earnings include her salary of $2,500 and a commission of 8% on $42,800 in sales. The commission is $3,424 (0.08 * 42800). Thus, her total earnings are $2,500 + $3,424 = $5,924.

Ana biked 45 miles in two days. She biked 36 miles the first day. Ana biked ______ of the miles the second day.

• 15%

• 20%

• 23%

• 25%

Answer explanation

Ana biked 45 miles total, with 36 miles on the first day. To find the second day's miles, subtract: 45 - 36 = 9 miles. To find the percentage: (9/45) * 100 = 20%. Thus, Ana biked 20% of the total miles on the second day.

Eighty-two percent of the students in Lindsay's class belong to the science club. 82% = ______

• 0.82

• 0.82%

• 8.2%

• 8.2

Answer explanation

Eighty-two percent (82%) can be expressed as a decimal by dividing by 100. Thus, 82% = 82 ÷ 100 = 0.82. Therefore, the correct answer is 0.82.