Math Reasoning Mid-Term Review

Front

What is the formula to calculate the total cost including sales tax?

Back

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

Front

If a smartphone costs $750 and the sales tax rate is 8%, what is the total cost?

Back

Total Cost = $750 + ($750 × 0.08) = $810

Front

How do you calculate the total cost of an item after sales tax?

Back

Multiply the price by the sales tax rate, then add that amount to the original price.

Front

What is the formula to calculate the total cost including a tip?

Back

Total Cost = Bill Amount + (Bill Amount × Tip Percentage)

Front

If a restaurant bill is $65 and a 20% tip is left, what is the total cost?

Back

Total Cost = $65 + ($65 × 0.20) = $78

Front

What is the Mean in statistics?

Back

The Mean is the average of a set of numbers, calculated by dividing the sum of the numbers by the count of numbers.

Front

How do you calculate the Mean of a set of numbers?

Back

Add all the numbers together and divide by the total count of numbers.

Front

If Sydney has 32, 45, 32, 50, and 40 stamps, what is the Mean?

Back

Mean = (32 + 45 + 32 + 50 + 40) / 5 = 39.8

Front

What is the Range in statistics?

Back

The Range is the difference between the highest and lowest values in a set of numbers.

Front

How do you calculate the Range of a set of numbers?

Back

Range = Maximum Value - Minimum Value.