Translating Phrases

Front

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

Back

Total Cost = (Cost of Items) * (1 + Sales Tax Rate)

Front

If a shirt costs $19.40 and a sweater costs $24.80, how do you express the total cost of buying 2 shirts and p sweaters with an 8% sales tax?

Back

Total Cost = 1.08(38.80 + 24.80p)

Front

What does the variable 'p' represent in the equation 1.08(38.80 + 24.80p) = y?

Back

The variable 'p' represents the number of sweaters purchased.

Front

How do you calculate the earnings of a babysitter who charges $8 per hour and receives a $3 tip for putting children to bed on time?

Back

Earnings = 8x + 3, where x is the number of hours worked.

Front

What is the significance of the sales tax rate in a purchase equation?

Back

The sales tax rate is used to calculate the additional cost added to the total price of items purchased.

Front

How do you express the total cost of multiple items with different prices?

Back

Total Cost = (Price of Item 1 * Quantity 1) + (Price of Item 2 * Quantity 2) + ... + (Sales Tax)

Front

What is the purpose of using variables in equations related to real-life applications?

Back

Variables allow us to represent unknown quantities and make equations flexible for different scenarios.

Front

What is the formula for calculating the total earnings of a babysitter if they babysit for x hours?

Back

Total Earnings = Hourly Rate * x + Tip (if applicable)

Front

How do you determine the total cost of an item after applying a percentage increase, such as sales tax?

Back

Multiply the original price by (1 + percentage increase) expressed as a decimal.

Front

What is the role of constants in equations related to real-life applications?

Back

Constants represent fixed values that do not change, such as prices or rates.