Solve: 12 dogs decreased by 25% step by step pls.

2 answers:

8 0

Decreased by 25%
find 25% of 12 and decrease 12 by it

percent means parts out of 100
25%=25/100=1/4
'of' means multiply
25% of 12=1/4 times 12=3

decrease 12 by 3
12-3=9

answer is 9

kramer3 years ago

7 0

first turn 25% into a decimal so it's easier to work with, the decimal for 25% is 0.25

then multiply the number by the decimal

12x0.25=3

then subtract your answer (3) from your starting number

12-3=9

12 dogs decreased by 25% leaves you with 9 dogs left.

if you are increasing, divide instead of multiply

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