Ratios and Proportions--Percents e-learning #3

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14

Tags

CCSS.7.RP.A.2B

Write as a percent.
5/8

• 62.5%
• 0.625
• 64%
• 6.25%

Tags

CCSS.7.RP.A.3

Solve: 40% of 50.

• 40
• 24
• 30
• 20

Tags

CCSS.6.RP.A.3C

Solve: 90 is 45% of what number?

• 178
• 200
• 40.5
• 216

Tags

CCSS.6.RP.A.3C

Solve: 90 is 45% of what number?

• 178
• 200
• 40.5
• 216

68% of students in gym class can run a mile in under 12 minutes. There are 25 students in the class. How many can run a mile in under 12 minutes?

• 17 
• 20
• 16.8
• 23

Tags

CCSS.6.RP.A.3C

Jillian bought a shirt on sale and only paid 37% of the original price. She payed $18.50 for the shirt. How much was the shirt originally?

• $58.39
• $74.00
• $50.00
• $47.56

Tags

CCSS.6.RP.A.3C

On last week’s maths test Carol had 21 correct out of 25 problems. What percent grade did she receive?

• 42
• 80
• 84
• 92

Tags

CCSS.7.RP.A.3

CCSS.7.RP.A.2

What does the term "Percent" means?

• a part in every hundred

• divide by 100

• every cent

• how many cents

Tags

CCSS.7.RP.A.3

CCSS.7.RP.A.2

Which of the following means 20%?

• 20/100

• 20×100%

• 2000

• 20

Tags

CCSS.5.NF.B.3