Answer:
The answer is 30.
Step-by-step explanation:
Firstly you need to know how to find the percentage of a number. To find 25% of 40:
[tex]25*0.01=0.25[/tex]
[tex]40 * 0.25=10[/tex]
So now we know, 25% of 40 is 10.
[tex]40-10=30[/tex]
∴ 30 is the result when 40 is decreased by 25%.
