Percent Skills Quiz

If a shirt originally costs $40 and is on sale for 25% off, what is the sale price of the shirt?

• $10

• $20

• $30

• $35

Answer explanation

To find the sale price, subtract 25% of $40 from $40. 25% of $40 is $10, so $40 - $10 = $30. Therefore, the sale price of the shirt is $30.

What is 20% of 150?

• 20

• 30

• 40

• 50

Answer explanation

To find 20% of 150, you multiply 150 by 0.20. 150 * 0.20 = 30. Therefore, 20% of 150 is 30.

A store increases the price of a $60 jacket by 10% for the winter season. What is the new price?

• $66

• $70

• $72

• $80

Answer explanation

The new price of the jacket after a 10% increase is $66, which is the correct answer choice.

If 40% of a number is 80, what is the number?

• 180

• 200

• 220

• 320

Answer explanation

To find the number, divide 80 by 0.4 (40%). 80 ÷ 0.4 = 200. Therefore, the number is 200.

A student scored 75% on a test that had 20 questions. How many questions did the student answer correctly?

• 10

• 15

• 16

• 18

Answer explanation

The student answered 75% of 20 questions correctly, which is 15 questions. Therefore, the correct answer is 15.

After a 15% discount, a pair of shoes sells for $85. What was the original price of the shoes?

• $70

• $100

• $110

• $120

Answer explanation

To find the original price, we need to reverse the 15% discount. Let x be the original price. After the discount, x - 0.15x = $85. Solving for x gives x = $100.

Sales tax is __________ to the original price.

• subtracted
• added
• multiplied
• divided

Convert 7% as a decimal

• 7

• 0.7

• 0.07

• 7.00

Answer explanation

We cannot use percents directly. We have to convert them to their decimal versions.

Just move the decimal point 2 places to the left. Add zeros if needed.

7% --> .07

3.25% --> .0325

20% --> .20

Write 8.25% as a decimal. 

• 0.0825
• 0.825
• 82.5
• 825

Answer explanation

We cannot use percents directly. We have to convert them to their decimal versions.

Just move the decimal point 2 places to the left. Add zeros if needed.

7% --> .07

3.25% --> .0325

20% --> .20

Tax on a $12, 985 car is 6%.  What is the amount of tax?

• 13,764.10
• 908.95
• 14,023.8
• 779.10

Answer explanation

6% --> 0.06

$12, 985 x .06 = $779.10