bell work 11-19-24 5.1

Front

What is the formula to calculate the total cost of an item after sales tax is added?

Back

Total Cost = Original Price + (Sales Tax Rate × Original Price) = Original Price × (1 + Sales Tax Rate)

Front

If an item costs 'c' dollars and has an 8.5% sales tax, what is the expression for the total cost in simplest form?

Back

1.085c

Front

What is the simplest form of the expression e + 0.05e?

Back

1.05e

Front

How do you simplify the expression 10v + 2 + 12 - 3v?

Back

Combine like terms: 10v - 3v + 2 + 12 = 7v + 14.

Front

What is the result of simplifying the expression 2x - 1 + 2x + 3?

Back

Combine like terms: 2x + 2x - 1 + 3 = 4x + 2.

Front

What does 'sales tax' refer to in a purchase?

Back

Sales tax is a percentage of the purchase price that is added to the total cost of an item.

Front

How do you express a 5% sales tax on an item that costs 'e' dollars?

Back

The expression is e + 0.05e, which simplifies to 1.05e.

Front

What is the total cost of an item that costs 'b' dollars with a 6% sales tax?

Back

The total cost is 1.06b.

Front

What is the importance of simplifying expressions in mathematics?

Back

Simplifying expressions makes calculations easier and helps in understanding the relationships between variables.

Front

What is the first step in simplifying the expression 10v + 2 + 12 - 3v?

Back

Identify and combine like terms.