7G Final Sem 1 2024-2025

Front

What is the process of simplifying an expression?

Back

Simplifying an expression involves reducing it to its simplest form by combining like terms and performing operations.

Front

What is sales tax and how is it calculated?

Back

Sales tax is a percentage added to the price of goods or services. It is calculated by multiplying the price by the sales tax rate.

Front

How do you calculate the total cost including sales tax?

Back

To find the total cost including sales tax, multiply the original price by the sales tax rate, then add that amount to the original price.

Front

What is percent of change?

Back

Percent of change is a measure of how much a quantity has increased or decreased relative to its original value, calculated as (new value - original value) / original value x 100%.

Front

How do you calculate the percent of change from $100 to $120?

Back

Percent of change = ((120 - 100) / 100) x 100% = 20%.

Front

What does a discount mean in pricing?

Back

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

Front

How do you calculate the final price after a discount?

Back

Final price = Original price - (Original price x Discount rate).

Front

If an item costs $7.40 and is 35% off, what is the sale price?

Back

Sale price = 7.40 - (7.40 x 0.35) = $4.81.

Front

What is a unit rate?

Back

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

Front

If Manny eats 2 bags of Cheetos in 1 day, how many bags does he eat in 10 days?

Back

Manny eats 2 bags/day x 10 days = 20 bags.