6.1 Calculating with percentages

Something increases with 5%. What is the multiplication factor?

• 0.05

• 0.95

• 1.05

• 1.5

Something decreases with 5%. What is the multiplication factor?

• 0.05

• 0.95

• 1.05

• 1.5

Something increases with 0.4%. What is the multiplication factor?

• 0.004

• 0.996

• 1.004

• 1.04

Something decreases with 0.4%. What is the multiplication factor?

• 0.004

• 0.996

• 1.004

• 1.04

A shirt costs 12 euro. The price increases with 5%. What is the new price?

• 12.60 euro

• 18 euro

• 8.40 euro

• 12.50 euro

A shirt costs 20 euro. The price decreases with 15%. What is the new price?

• 5 euro

• 17 euro

• 18 euro

• 23 euro

A price increases from 60 to 85 euro. What is the percentage increase?

• 25 euro

• 84%

• 29.4%

• 41.7%

A price decreases from 125 to 100 euros. What is the percentage decrease?

• -20%

• 25%

• 20%

• 99%

What is 75% of 125 euro?

• 93.75 euro

• 31.25 euro

• 218.75 euro

• 156.25 euro

What percentage is 5 of 23?

• 4.6%

• 22%

• 21.7%

• 46%