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Front

What is the formula to calculate the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) × 100

Front

If there are 4 trombones out of 25 instruments, what is the percentage of trombones?

Back

16% (Calculated as (4/25) × 100)

Front

How do you find the unit price of an item?

Back

Unit Price = Total Price / Number of Units

Front

What is the unit price of Sargento cheese slices if 10 slices cost $2.48?

Back

$0.248 per slice (Calculated as 2.48 / 10)

Front

What is the unit price of Velveeta cheese slices if 12 slices cost $3.18?

Back

$0.265 per slice (Calculated as 3.18 / 12)

Front

How do you determine which of two items is a better deal based on unit price?

Back

Compare the unit prices; the lower unit price is the better deal.

Front

What does it mean for a relationship to be proportional?

Back

A relationship is proportional if it can be represented by a straight line that passes through the origin.

Front

What is the significance of the origin in a graph?

Back

The origin (0,0) is the point where the x-axis and y-axis intersect, indicating zero values for both variables.

Front

What percent is equivalent to 3 out of 10?

Back

30% (Calculated as (3/10) × 100)

Front

How do you calculate an average rate?

Back

Average Rate = Total Amount / Total Time