IM Unit 4 Assessment Review

Front

What is the formula to calculate the new price after a percentage increase?

Back

New Price = Original Price + (Original Price × Percentage Increase)

Front

If a product costs $120 and increases by 15%, what is the new price?

Back

$138

Front

How do you calculate the percent decrease in a quantity?

Back

Percent Decrease = (Decrease ÷ Original Amount) × 100

Front

If the number of fish in a lake decreased by 25% from 60, how many fish are left?

Back

45 fish

Front

What is percent error and how is it calculated?

Back

Percent Error = (|Measured Value - Actual Value| ÷ Actual Value) × 100

Front

If Diego measured a pen to be 22 cm and the actual length is 23 cm, what is the percent error?

Back

4.3%

Front

What does it mean for one quantity to be a fraction more than another?

Back

It means to add a fraction of the first quantity to itself.

Front

If Kiran read for x minutes, and Andre read for 5/8 more than that, what is the equation for Andre's reading time?

Back

y = 1.625x

Front

How do you calculate the percent discount on an item?

Back

Percent Discount = (Discount Amount ÷ Original Price) × 100

Front

If a skateboard's original price is $79.95 and it is on sale for $59.95, what is the discount amount?

Back

$20.00