Answer :
Something percent of a number is itself*something/100
For instance, 50% of 10 is 10*50/100=10/2=5
Here, [tex]15*\frac{140}{100}=21[/tex]
For instance, 50% of 10 is 10*50/100=10/2=5
Here, [tex]15*\frac{140}{100}=21[/tex]