T Takitia New member Joined Jul 11, 2007 Messages 18 Jul 12, 2007 #1 I don't know which formula to use for this problem If the total bill at a restaurant, including a 15% tip, is $65.32, what was the cost of the meal alone?
I don't know which formula to use for this problem If the total bill at a restaurant, including a 15% tip, is $65.32, what was the cost of the meal alone?
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 Jul 12, 2007 #2 \(\displaystyle \L\\x+0.15x=65.32\) Solve for x.
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,337 Jul 12, 2007 #3 ...and write a note: "If you had not included the gratuity, I would have given you 20%."