Homework 12/16

Front

What is the formula to calculate the sale price after a discount?

Back

Sale Price = Original Price - (Original Price × Discount Rate)

Front

If a shirt originally costs $27 and is on sale for 25% off, how much do you pay?

Back

$20.25

Front

What is sales tax?

Back

Sales tax is a percentage of the purchase price added to the total cost of goods or services.

Front

How do you calculate the total cost including sales tax?

Back

Total Cost = Purchase Price + (Purchase Price × Sales Tax Rate)

Front

If Maria bought items for $15.70 and the sales tax is 5%, what is the total amount she pays?

Back

$16.49

Front

What percentage of 200 children attended the school play were boys if 40% were boys?

Back

80 boys attended the play.

Front

How do you find the number of girls if you know the total number of children and the percentage of boys?

Back

Number of Girls = Total Children - Number of Boys

Front

What is the total number of girls if 200 children attended and 40% were boys?

Back

120 girls attended the school play.

Front

What does 'percentage' mean?

Back

A percentage is a fraction of 100, representing a part of a whole.

Front

How do you convert a percentage to a decimal?

Back

Divide the percentage by 100.