Unit 4 Review

Front

What is the formula to calculate the new amount when a percentage increase is applied?

Back

New Amount = Original Amount + (Percentage Increase × Original Amount)

Front

If a box holds 53 ounces and is increased by 25%, how do you calculate the new capacity?

Back

New Capacity = 53 + (0.25 × 53) = 66.25 ounces

Front

What does it mean to have a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is expressed as a quantity per 1 unit.

Front

How do you calculate the unit rate from total earnings and hours worked?

Back

Unit Rate = Total Earnings / Total Hours Worked

Front

What is the formula to find the percent discount on an item?

Back

Percent Discount = (Original Price - Sale Price) / Original Price × 100%

Front

If an item costs $22.00 and is discounted by 25%, how much do you save?

Back

Savings = 0.25 × 22 = $5.50

Front

What is the relationship between Kiran's reading time and Andre's reading time if Andre reads 5/8 more than Kiran?

Back

y = 1.625x, where y is Andre's reading time and x is Kiran's reading time.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What is the approximate percent discount if an item originally priced at $79.95 is on sale for $59.95?

Back

Percent Discount = ((79.95 - 59.95) / 79.95) × 100% ≈ 25%

Front

What does a 25% increase mean in terms of original value?

Back

A 25% increase means the new value is 125% of the original value.