Tri 2 Unit 4 Percents through Lesson 6

Calculate 25% of 400

• 100

• 16

• 200

• 150

Answer explanation

To calculate 25% of 400, multiply 400 by 0.25. This gives 400 * 0.25 = 100. Therefore, the correct answer is 100.

Tags

CCSS.6.RP.A.3C

12% of $90

• $12

• $78

• $10.80

• $102

Answer explanation

To find 12% of $90, multiply 90 by 0.12: 90 * 0.12 = $10.80. Therefore, the correct answer is $10.80.

Tags

CCSS.6.RP.A.3C

Eliza bought a meal that cost $ 12.00. She tipped the waiter 25% of that amount. How much was the tip?

• $ 15.00

• $ 12.25

• $3.00

• $4.00

Answer explanation

To find the tip, calculate 25% of $12.00. This is done by multiplying 12.00 by 0.25, which equals $3.00. Therefore, the correct answer is $3.00.

Tags

CCSS.6.RP.A.3C

Convert this decimal to a percentage  0.175

• 17.5%

• 1750%

• 175%

• 1.75%

Answer explanation

To convert a decimal to a percentage, multiply by 100. Thus, 0.175 x 100 = 17.5%. Therefore, the correct answer is 17.5%.

An art dealer makes a 17.5% commission on every painting sold. If a painting sold for $1,500, what was the commission?

• $262.50

• $26,250

• $26.25

• $2,625

Answer explanation

To find the commission, multiply the painting price by the commission rate: $1,500 * 0.175 = $262.50. Therefore, the correct answer is $262.50.

Tags

CCSS.6.RP.A.3C

64 is 40% of what number? 

• 160

• 104

• 25.6

• 108

Answer explanation

To find the number, divide 64 by 0.4 (which is 40% as a decimal). 64 ÷ 0.4 = 160. Therefore, 64 is 40% of 160.

Tags

CCSS.6.RP.A.3C

What is 0.4 as a percent?

• 40%

• 4%

• 0.4%

• 400%

Answer explanation

To convert 0.4 to a percent, multiply by 100. Thus, 0.4 x 100 = 40%. Therefore, the correct answer is 40%.

What is 42% of 65?

Answer explanation

To find 42% of 65, multiply 65 by 0.42, which equals 27.3. However, the correct answer choice is not listed, as the answer choices do not include 27.3.

Tags

CCSS.6.RP.A.3C

Convert 52% into a decimal

• 0.52

• 52

• 5200

• 5.20

Answer explanation

To convert a percentage to a decimal, divide by 100. Thus, 52% becomes 52 ÷ 100 = 0.52. Therefore, the correct answer is 0.52.

The amount of cereal in a box was 14 ounces. The new box has 15% more. How much does the new box have?

• 15.4 ounces

• 29 ounces

• 15.5 ounces

• 16.1 ounces

Answer explanation

To find the new amount, calculate 15% of 14 ounces: 0.15 * 14 = 2.1 ounces. Add this to the original amount: 14 + 2.1 = 16.1 ounces. Thus, the new box has 16.1 ounces.

Tags

CCSS.6.RP.A.3C