Mr. David monthly salary is revised from $2500 to $2600.What percentage is the salary increased

4% Hope this helped.

Step-by-step explanation:

The formula is: final value minus starting value divided by the starting value then times 100

THIS FORMULA ONLY APPLIES TO PERCENT INCREASE

Final Value−Starting Value

      Starting Value                    x100

Plug numbers in

2600-2500/2500 x 100

100/2500=0.04

0.04x100

=4%

The percentage change is 140%

Step-by-step explanation:

Given

---- initial dimension

--- new width

--- new dimension

Required

The percentage increment

The length remains constant because only the width is extended.

The new area is:

Make L the subject

Substitute values for A and W

--- this is the length of the garden

Calculate the initial width:

Make W1 the subject

So, the initial area is:

The percentage change in area is:

Express as percentage