Mastering Percent Increases and Decreases in Real Life

A store sells 120 shirts. If they increase their stock by 25%, how many shirts will they have in total?

• 100 shirts

• 150 shirts

• 130 shirts

• 180 shirts

A recipe calls for a ratio of 2 cups of flour to 3 cups of sugar. If you want to make 50% more of the recipe, how many cups of flour will you need?

• 2 cups

• 4 cups

• 3 cups

• 5 cups

A car's value is $20,000. If it depreciates by 15%, what will be its new value?

• $15,000

• $18,000

• $17,000

• $19,000

In a class of 30 students, 40% are girls. If 5 more girls join the class, what percent increase in the number of girls is that?

• 33.33%

• 50%

• 25%

• 41.67%

A fruit seller has 80 apples. If he sells 25% of them, how many apples does he have left?

• 55

• 75

• 70

• 60

A bike originally costs $300. If it is on sale for 20% off, what is the sale price of the bike?

• $240

• $300

• $280

• $260

A school has a ratio of 3 teachers for every 20 students. If the number of students increases by 10%, how many teachers are needed to maintain the same ratio?

• 5 teachers

• 3 teachers

• 4 teachers

• 2 teachers

A video game was priced at $60. After a 30% discount, what is the new price of the game?

• $48

• $42

• $36

• $54

A gardener has 50 plants. If he loses 10% of them due to a storm, how many plants does he have left?

• 30

• 45

• 50

• 40

A book originally costs $15. If the price increases by 10%, what will be the new price of the book?

• $15.50

• $17.00

• $16.50

• $14.00