Percent Change

What is the percent increase from 10 to 12?

• 10%

• 20%

• 15%

• 25%

Answer explanation

To find the percent increase from 10 to 12, use the formula: ((new value - old value) / old value) * 100. Here, ((12 - 10) / 10) * 100 = (2 / 10) * 100 = 20%. Thus, the correct answer is 20%.

Tags

CCSS.6.RP.A.3C

What is the percent decrease from 15 to 12?

• 10%

• 20%

• 15%

• 25%

Answer explanation

To find the percent decrease from 15 to 12, subtract 12 from 15 to get 3. Then, divide 3 by 15, which equals 0.2. Multiply by 100 to convert to a percentage, resulting in a 20% decrease.

Tags

CCSS.6.RP.A.3C

What is the percent decrease from 75 to 60?

• 15%

• 20%

• 25%

• 30%

Answer explanation

To find the percent decrease from 75 to 60, subtract 60 from 75 to get 15. Then, divide 15 by 75 and multiply by 100 to get 20%. Thus, the correct answer is 20%.

Tags

CCSS.6.RP.A.3C

What is the percent increase from 110 to 143?

• 30%

• 25%

• 20%

• 15%

Answer explanation

To find the percent increase from 110 to 143, use the formula: ((new value - old value) / old value) x 100. This gives ((143 - 110) / 110) x 100 = (33 / 110) x 100 ≈ 30%. Thus, the correct answer is 30%.

Tags

CCSS.6.RP.A.3C

What is the percent increase from 90 to 200?

• 122%

• 111%

• 100%

• 95%

Answer explanation

To find the percent increase from 90 to 200, use the formula: ((new value - old value) / old value) * 100. This gives ((200 - 90) / 90) * 100 = (110 / 90) * 100 = 122%. Thus, the correct answer is 122%.

Tags

CCSS.6.RP.A.3C

What is the percent decrease from 260 to 160?

• 38.5%

• 40%

• 35%

• 50%

Answer explanation

To find the percent decrease from 260 to 160, use the formula: ((260 - 160) / 260) * 100. This gives (100 / 260) * 100 = 38.5%. Thus, the correct answer is 38.5%.

Tags

CCSS.6.RP.A.3C

Which formula is used to calculate percent change?

• change/original

• original/change

• change + original

• original - change

Answer explanation

The correct formula to calculate percent change is 'change/original'. This formula expresses the change relative to the original value, allowing you to determine how much the value has increased or decreased as a percentage.

Tags

CCSS.6.RP.A.3C

What is the percent decrease from 15 to 12?

• 10%

• 20%

• 30%

• 15%

Answer explanation

To find the percent decrease from 15 to 12, subtract 12 from 15 to get 3. Then, divide 3 by 15, which equals 0.2. Multiply by 100 to convert to a percentage, resulting in a 20% decrease.

Tags

CCSS.6.RP.A.3C

What is the percent increase from 90 to 200?

• 100%

• 122%

• 150%

• 200%

Answer explanation

To find the percent increase from 90 to 200, use the formula: ((new value - old value) / old value) * 100. This gives ((200 - 90) / 90) * 100 = (110 / 90) * 100 ≈ 122%. Thus, the correct answer is 122%.

Tags

CCSS.6.RP.A.3C

What is the percent decrease from 260 to 160?

• 38%

• 40%

• 42%

• 45%

Answer explanation

To find the percent decrease from 260 to 160, use the formula: ((260 - 160) / 260) * 100. This gives (100 / 260) * 100 = 38.46%, which rounds to 38%. Thus, the correct answer is 38%.

Tags

CCSS.6.RP.A.3C