Percent of Increase and Decrease

Increase $90 by 12%

• $10.80

• $102

• $100.80

• $90.12

My dog's weight is now 125% of what she weighted one year ago. If her weight then was 30kg, what is her weight now?

• 31.25

• 30.125

• 37.5

• 37.125

Jack bought a bike for $550 and then sold it for $680. What was his percentage profit?

• 130

• 23.6

• 19.1

• 25.2

Decrease 500 by 30%

• 470

• 350

• 499.70

• 150

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

• 35%

• 25%

• 30%

• 20%

Find the new amount given the original amount and the percent of change.
340 pages; 20% decrease 

• 320 pages

• 240 pages

• 272 pages

• 360 pages

A grocery store has a 20% markup on bottle of soda.  The bottle of soda costs the store $1.25. Find the selling price. Round to nearest cent if necessary.

• $1.5

• $1.50

• $.25

• $1.45

Increase 300 by 10%

• 330

• 30

• 310

• 10

Decrease 300 by 10%

• 330

• 270

• 290

• 310

Increase 400 by 25%

• 425

• 500

• 300

• 375