Percents Review

Front

What is percent change?

Back

Percent change is a measure of how much a quantity has increased or decreased relative to its original value, expressed as a percentage.

Front

How do you calculate percent change?

Back

Percent Change = ((New Value - Original Value) / Original Value) x 100.

Front

If an item's original cost is $50 and the new cost is $60, what is the percent change?

Back

Increase 20%.

Front

If there were 810 students last year and 900 this year, what is the percent change in the number of students?

Back

Increase 11%.

Front

If the original cost of an item is $5 and the new cost is $1, what is the percent change?

Back

Decrease 80%.

Front

What is a discount?

Back

A discount is a reduction in the original price of an item, often expressed as a percentage.

Front

If a tent costs $250 and is on sale for 30% off, what is the amount of discount?

Back

Discount = $75.00.

Front

What is the sale price of an item after applying a discount?

Back

Sale Price = Original Price - Discount.

Front

If a sofa costs $599.99 and has a 20% discount, what is the discounted price?

Back

Discounted Price = $479.99.

Front

How do you calculate the final price after tax?

Back

Final Price = Discounted Price + (Discounted Price x Sales Tax Rate).