Spiral Review - Topics 1 - 3.3

Front

What is the formula to calculate a percentage increase?

Back

Percentage Increase = (New Value - Original Value) / Original Value x 100

Front

If an item costs $120 and is on sale for 12% off, how do you calculate the sale price?

Back

Sale Price = Original Price - (Original Price x Discount Rate) = $120 - ($120 x 0.12) = $105.60

Front

What is the commission earned if the total sales amount is $4,265 and the commission rate is 11%?

Back

Commission = Total Sales x Commission Rate = $4,265 x 0.11 = $469.15

Front

How do you solve the expression (-5) - (-23)?

Back

(-5) - (-23) = -5 + 23 = 18

Front

What is the result of adding -2.3 and 35.6?

Back

-2.3 + 35.6 = 33.3

Front

What is the definition of a discount?

Back

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

Front

How do you find the total amount after applying a discount?

Back

Total Amount = Original Price - Discount Amount

Front

What does it mean to calculate a percentage of a number?

Back

Calculating a percentage of a number means finding out how much that percentage represents in terms of the number.

Front

What is the formula for calculating the total sales price from commission earned?

Back

Total Sales Price = Commission Earned / Commission Rate

Front

What is the difference between a positive and negative number?

Back

A positive number is greater than zero, while a negative number is less than zero.