Question

The number of students in 2008 was 1000. It became 1100 in 2009. Find the increase
percent. (3 marks)

Answer 1

Step-by-step explanation:

no .of students in 2008 =1000

no.of students in 2009=1100

increase percentage from 2008 -2009=

increase no from 2008 -2009=100

increase%=increase/original no*100

=100/1000*100

=10%

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Answer 2

The increase percent in the number of students is 10 %.

Given: The number of students in 2008 was 1000. It became 1100 in 2009.

To Find: The increase percent in the number of students.

Solution:

• The increase in a certain value or commodity can be calculated by the formula,

              Increase = Increased value - Original value                        ...(1)

• The increase percent can be determined by implementing the following formula;

             Increase % = ( Increase / Original value ) × 100                   ...(2)

Coming to the numerical, we are given;

The number of students in 2008 was = 1000

The number of students in 2009 was = 1100

From (1), we can find the increase in the number of students;

The increase in the number of students = 1100 - 1000

                                                                     = 100

From (2), we can calculate the percent increase in the number of students;

The increase percent = ( 100 / 1000 ) × 100

                                     = 10 %

Hence, the increase percent in the number of students is 10 %.

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