

1.

The population of a school increased from 500 to 600 students. What is the
percent increase?


2.

The population of a town increased from 1200 to 1500 residents. What is the
percent increase?


3.

The height of a tree increased from 2 m to 8 m in one year. What is the percent
increase?


4.

The population of a colony of ants decreased from 250 to 225 ants. What is the
percent decrease?


5.

The population of a city decreased from 50 000 to 42 500 residents. What is the
percent decrease?


6.

The amount of money in coin jar decreased from $152.60 to $99.19. What is the
percent decrease?


7.

Gasoline prices decreased from 135.7¢/L in June to 78.7¢/L in
November. What is the percent decrease in the price of gasoline?


8.

Sandra has $2260 in her bank account. She withdrew $519.80. By what percent did
the amount in her bank account decrease?


9.

The number of students attending a local university increased from 18 676
students to 20 300 students. What is the percent increase in the student population?


10.

The number of cars sold last month at a local car dealer was 620 cars. The sales
for this month dropped to 558 cars. What is the percent decrease in cars sold?
