What is the percent of change if i decrease 50 to 45?

The percentage change if I decrease 50 to 45 is 10%

Solution:

We have to find the percentage change if I decrease 50 to 45.

To calculate the percentage change we use the below given formula

Here 50 is decreased to 45.  

Hence the initial value is 50 and the final value is 45.

Substituting the initial and final values in the formula we get,

Negative sign indicates percentage decrease .Percentage change cannot be in negative, therefore we ignore the negative sign.

= 10%

Therefore the percentage change from 50 to 45 is 10%

40 is the final : )

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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