7G Final Sem 1 2024-2025

Front

What is the formula to calculate sales tax?

Back

Sales Tax = Price × Sales Tax Rate

Front

If a hat costs $18 and the sales tax is 8%, what is the total cost?

Back

Total Cost = $18 + ($18 × 0.08) = $19.44

Front

How do you find the percentage of a total?

Back

Percentage = (Part / Total) × 100

Front

If 200 children attended a play and 40% were boys, how many girls attended?

Back

Girls = Total - Boys = 200 - (200 × 0.40) = 120

Front

What is a tip and how is it calculated?

Back

A tip is a gratuity given for service, calculated as a percentage of the total bill.

Front

If a meal costs $7.50 and you want to leave a 15% tip, how much is the tip?

Back

Tip = $7.50 × 0.15 = $1.13

Front

What does it mean to divide a negative number by a negative number?

Back

Dividing two negative numbers results in a positive number.

Front

Calculate -8(2 - 5) ÷ (-4).

Back

= -8 × (-3) ÷ (-4) = 6.

Front

What is a checking account balance?

Back

The amount of money available in a checking account after all transactions.

Front

If Sierra's account balance is $139 and she spends $12, what is her new balance?

Back

New Balance = $139 - $12 = $127.