D dotsoma New member Joined Sep 14, 2006 Messages 3 Sep 14, 2006 #1 I am having a problem putting this is a linear equation can you help please The total bill for a restaurant meal, including 8% tax and 15% tip (both on only the cost of the meal) was $9.84. What was the cost of the meal?

I am having a problem putting this is a linear equation can you help please The total bill for a restaurant meal, including 8% tax and 15% tip (both on only the cost of the meal) was $9.84. What was the cost of the meal?

R royhaas Full Member Joined Dec 14, 2005 Messages 832 Sep 14, 2006 #2 9.84 = meal + (0.08)meal + (0.15)meal.

D dotsoma New member Joined Sep 14, 2006 Messages 3 Sep 14, 2006 #3 the answer is $8.00 but i do not see how it could be that. $9.84=mealx + (.08)mealx + (.15)mealx $9.84=mealx + .23mealx I get stuck here.

the answer is $8.00 but i do not see how it could be that. $9.84=mealx + (.08)mealx + (.15)mealx $9.84=mealx + .23mealx I get stuck here.

pka Elite Member Joined Jan 29, 2005 Messages 9,303 Sep 14, 2006 #4 \(\displaystyle \L \begin{array}{l} 1m + .23m = 1.23m \\ \frac{{9.84}}{{1.23}} = ? \\ \end{array}\)

D Denis Senior Member Joined Feb 17, 2004 Messages 1,723 Sep 14, 2006 #5 dotsoma said: the answer is $8.00 but i do not see how it could be that. Click to expand... WHY do you not see "how it could be that" :?: 8 * .08 = .64 8 * .15 = 1.20 .64 + 1.20 = 1.84 :idea:

dotsoma said: the answer is $8.00 but i do not see how it could be that. Click to expand... WHY do you not see "how it could be that" :?: 8 * .08 = .64 8 * .15 = 1.20 .64 + 1.20 = 1.84 :idea: