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12 dogs decreased by 25%

Sagot :

Solution: The number of dogs left after 25% are decreased, is 9 and number of dogs decreased by 3.

Explanation:

Let the number of dogs after decresing 25%  be x.

It is given that the number of dogs are 12 after that he number of dogs decreased by 25%.

First we have to find 25% f 12.

[tex]12\times \frac{25}{100} =12\times \frac{1}{4}[/tex]

[tex]25\% \text{ of }12=3[/tex]

Since number of dogs decreased by 25%, therefore subtract 3 from 12.

[tex]12-3=9[/tex]

Therefore, the number of dogs left after 25% are decreased, is 9 and number of dogs decreased by 3.

Answer:

12 x 25/100 =12 x 1/4

25% x 12 = 3

12 - 3 = 9