Topics 3 & 4 Review

Front

What is the formula to calculate the area of a rectangle?

Back

Area = length × width.

Front

If a kitchen's area is increased by 150%, how do you calculate the new area?

Back

New Area = Old Area × 1.5.

Front

What is the percent decrease formula?

Back

Percent Decrease = ((Old Value - New Value) / Old Value) × 100.

Front

How do you find the profit from selling items?

Back

Profit = Total Revenue - Total Costs.

Front

What is the expression for total spending if Takis cost 3x + 1 dollars and total spending is 5x + 4 dollars?

Back

Soda cost = Total Spending - Takis cost = (5x + 4) - (3x + 1) = 2x + 3.

Front

What is the total revenue from selling cookies?

Back

Total Revenue = (Number of Cookies Sold) × (Price per Cookie).

Front

How do you calculate the increase in area when given the old and new area?

Back

Increase in Area = New Area - Old Area.

Front

What does it mean to round to the nearest whole percent?

Back

It means to adjust a decimal percentage to the closest whole number.

Front

If a customer spends 8x + 10 dollars and the total is $34, how do you find the cost of one soda?

Back

Set up the equation: 8x + 10 = 34, then solve for x.

Front

What is the significance of allergic reactions in product testing?

Back

It helps assess the safety and suitability of a product for consumers.