Markup, Percent of change and error

Front

What is percent error?

Back

Percent error is a measure of how inaccurate a measurement is, expressed as a percentage of the difference between the estimated value and the actual value.

Front

How do you calculate percent error?

Back

Percent Error = |(Estimated Value - Actual Value)| / Actual Value × 100%.

Front

What is percent of change?

Back

Percent of change is a measure of how much a quantity has increased or decreased relative to its original amount, expressed as a percentage.

Front

How do you calculate percent of change?

Back

Percent of Change = (New Value - Original Value) / Original Value × 100%.

Front

What is markup?

Back

Markup is the amount added to the cost price of goods to cover overhead and profit.

Front

How do you calculate the selling price after markup?

Back

Selling Price = Cost Price + (Cost Price × Markup Percentage).

Front

If a store pays $1.50 for an item and marks it up by 60%, what is the selling price?

Back

Selling Price = $1.50 + ($1.50 × 0.60) = $2.40.

Front

What is the formula for calculating percent decrease?

Back

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

Front

If a scooter's regular price is $65.50 and it is on sale for $52.40, what is the percent decrease?

Back

Percent Decrease = ($65.50 - $52.40) / $65.50 × 100% = 20%.

Front

What does a percent error of 20% indicate?

Back

It indicates that the estimated value is 20% off from the actual value.