13% of 260 is 33.8, the explanation is below.
First make the 2 numbers into fractions:
13% = 13/100
260 = x/260
Cross multiply them
3380 divide by 100 is 33.80
To check do it reverse:
33.80/260 = x/100
3380 divide by 260 is 13
The answer is 33.80
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