Practice #4 (Homework)

Front

What is the formula to calculate the total cost when buying items by weight?

Back

Total Cost = Price per Pound × Weight in Pounds

Front

If Winslow buys 1.2 pounds of bananas at $1.29 per pound, how do you calculate the total cost?

Back

Total Cost = 1.2 × 1.29 = $1.55

Front

What does it mean for an elevation to be below sea level?

Back

It means the elevation is measured in feet or meters below the average level of the sea.

Front

How do you express a fraction of a number?

Back

Front

What is the significance of negative numbers in elevation?

Back

Negative numbers indicate that the elevation is below sea level.

Front

What does proportionality mean in a mathematical context?

Back

Proportionality means that two quantities increase or decrease at the same rate.

Front

How can you determine the cost per ounce of a product from a graph?

Back

Find the point on the graph where the x-axis represents ounces and the y-axis represents cost. The coordinates give the cost per ounce.

Front

What is the meaning of the coordinates (1, 0.50) in the context of cost and weight?

Back

It means that 1 ounce of the product costs $0.50.

Front

How do you convert a weight in pounds to ounces?

Back

Multiply the weight in pounds by 16, since there are 16 ounces in a pound.

Front

What is the total cost of 2 pounds of bananas at $1.29 per pound?

Back

Total Cost = 2 × 1.29 = $2.58.