Benchmark Version 2

Front

In a 200m race, how do you calculate the difference in time between two runners?

Back

Subtract the time of the second place runner from the time of the first place runner.

Front

What is the formula for calculating interest earned on an investment?

Back

Interest = Principal × Rate × Time.

Front

If a book costs b dollars, how do you calculate the price after a 30% discount?

Back

Price after discount = 0.7b.

Front

What is a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio.

Front

How do you find the missing value in a proportional relationship given ordered pairs?

Back

Set up a proportion using the known values and solve for the unknown.

Front

Back

Front

How do you convert a percentage to a decimal?

Back

Divide the percentage by 100.

Front

What does it mean for two quantities to be in direct proportion?

Back

As one quantity increases, the other quantity increases at a constant rate.

Front

How do you calculate the time difference between two runners in a race?

Back

Time difference = Time of second place - Time of first place.

Front

What is the formula for calculating the total cost after a discount?

Back

Total cost = Original price - Discount amount.