Percent Change Lesson

​Warm-Up

Fill in the Blank

Macys is having a one-day 35% off special. If Sara bought $124.50 worth of items, what would the final bill total after applying the discount of 35%? Round the answer to the nearest hundredths.

$

.

Math Response

Solve the following equation.

8(x − 6) = −(x + 3)

Type answer here

Correct Answer: x=5

Deg^°

Rad

​Percent Change

​The World Future Society predicts that by the year 2020, airplanes will be able to carry 1400 passengers. Today's biggest jets carry 600 passengers. What will be the percent of increase of airplane passengers?



New Number:

Old Number:

​As soon as a new car is purchased and driven away from the dealership it begins to lose its value, or depreciate. Addy bought a 1994 Plymouth Neon for $9,559. One year later, the value of the was $8,500. What was the percent change of the value of the car?


New Number:

Old Number:

​The World Future Society predicts that by the year 2020, airplanes will be able to carry 1400 passengers. Today's biggest jets carry 600 passengers. What will be the percent of increase of airplane passengers?



New Number:

Old Number:

​As soon as a new car is purchased and driven away from the dealership it begins to lose its value, or depreciate. Addy bought a 1994 Plymouth Neon for $9,559. One year later, the value of the was $8,500. What was the percent change of the value of the car?


New Number:

Old Number: