Question

What is the 15% service tip on a $25.50 dinner in a restraunt

Answer 1

$15 \% \ of 25.50 \ =\frac{15}{100}* 25.50=\\ \\ =\frac{3}{20}*25.50= 3*1.275=\boxed{3.825 \ -the \ tip}$

Answer 2

$15\%\ multiply\ by\ cost\ of\ dinner\ 25,20\ \\\\ 15\%=\frac{15}{100}=0,15\\\\ 15\%*25,20=0,15*25,20=3,78\ \\\\ Service\ tip\ is\ equal\ to\ 3,78\ .$