Question

What is the decimal multiplier to decrease by 25%?

Answer 1

Given:

Percentage of decrease is 25 %

To Find:

What is the decimal multiplier to decrease by 25%?

Solution:

Let given number = A

If A is decrease by 25% of A, then:

Remaining amount of A = 100 -25 = 75% of A     ...1)

Equation 1) can be written as fraction:

$\mathbf{Remaining\ amount\ of\ A= \dfrac{75\times A}{100}}$

$\mathbf{Remaining\ amount\ of\ A=0.75\times A}$         ...2)

From above it is clear that A is multiply by 0.75 to decrease by 25%.