Sales Tax and Circumference Concepts

The video tutorial covers various mathematical problems related to sales tax and percentages. It begins with calculating sales tax in Ohio, New Mexico, and Nevada, followed by solving percentage problems. The tutorial concludes with finding the circumference and radius of different objects using mathematical formulas.

What is the sales tax rate in Ohio?

• 6.25%

• 9.25%

• 8.25%

• 7.25%

How do you calculate the total price of an item including tax?

• Subtract the sales tax from the price before tax

• Multiply the price before tax by the sales tax rate

• Add the sales tax to the price before tax

• Divide the price before tax by the sales tax rate

Which equation correctly represents the sales tax in New Mexico?

• t = c / 0.05125

• t = 0.5125c

• t = 5.125c

• t = 0.05125c

What is the correct expression for the sales tax in Nevada?

• 46c

• 0.046c

• 0.46c

• 4.6c

How do you convert a decimal to a percentage?

• Divide by 100

• Divide by 10

• Multiply by 100

• Multiply by 10

What is 3.8% of 25?

• 2.95

• 0.95

• 1.95

• 3.95

How much is 0.2% of 50?

• 0.1

• 0.2

• 0.3

• 0.4

What is the increase in temperature from Monday to Tuesday if the high was 60°F and increased by 18%?

• 11.8°F

• 8.8°F

• 9.8°F

• 10.8°F

What is the formula for the circumference of a circle?

• Circumference = 2 × radius × pi

• Circumference = radius × pi

• Circumference = 2 × pi

• Circumference = radius × 2

If the radius of a circle is 2.8 feet, what is its approximate circumference using pi = 3.14?

• 20.6 feet

• 17.6 feet

• 18.6 feet

• 19.6 feet