Hey there!
As we right 25% as [tex] \frac{25}{100} [/tex]
Since, finding the fraction of a number is same as multiplying the fraction with the number, we have. . .
[tex] \frac{25}{100} \ of \ 770 = \frac{25}{100} \ *770= 192.5[/tex]
Hope this helps.
~Jurgen
