How do you get the answer for 10 millimeters increased by 30%

First you have to find what 30% of ten is, and then add it to the 10. So how do you find 30 % of 10? In math ...

"of" means *

"is" means =

30% of 10 is

30 % * 10 =

change 30% to a decimal by dividing by 100 (move the decimal to the left 2 places)

.30 * 10 = 3

So 30% of ten is 3. Now since we are increasing by 30%, we have to add it to the original value, 10.

3 + 10 = 13

So 10 millimeters increased by 30% is

13 millimeters