Question

Decrease 10kg by 10%

Answer 1

Answer:

if you decrease 10 kg by 10% you get 9 kg

Answer 2

Answer:

9

Step-by-step explanation:

First way to solve:

10%=10/100

10%=0.1

To find 10% of 10, you do 0.1 times 10:

0.1*10=1

Now that you know what 10% of 10 is 1:

10-1=9

Second way to solve:

If you want to decrease 10kg by 10%, it means you want 90% of 10kg because:

100%-10%=90%

Know you also know:

90%=90/100

90%=0.9

To find 90% of 10, you do 0.9 times 10:

0.9*10=9