Day 4 SE Prep

Front

What is the definition of a whole number?

Back

A whole number is a non-negative integer, which includes 0 and all positive integers (1, 2, 3, ...).

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What is the relationship between whole numbers and integers?

Back

All whole numbers are integers, but not all integers are whole numbers.

Front

What does '25% off' mean in terms of discounts?

Back

It means that the price is reduced by 25% of the original price.

Front

How do you calculate 25% of a number?

Back

To calculate 25% of a number, multiply the number by 0.25.

Front

If a computer originally costs $800, what is the amount of the discount when it is 25% off?

Back

The discount is $200, calculated as 25% of $800.

Front

What is the new price of an item after a 25% discount on an $800 item?

Back

The new price is $600, calculated as $800 - $200.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities.

Front

If k = 1.50, what does this indicate about the relationship between the two quantities?

Back

It indicates that for every unit increase in one quantity, the other quantity increases by 1.50 times.

Front

What is the formula for finding the new price after a discount?

Back

New Price = Original Price - (Discount Percentage × Original Price).