How To Solve A Percent Problem

The base in this case is the total bill of .00, since this is the value we are taking a percentage of.

We need to know how to identify which number is the base and which number is the amount?

(percent) × (base) = (amount) (percent) × (bill) = (tip) (15%) × () = x where x represents the amount of the tip.

Next, we convert the percent to either fraction or decimal form and then multiply: x = (0.15)(20) x = 3 You would tip the server .

Next, we compute the tax on the purchase using the percent) × (base) = (amount)', CAPTION, 'Basic Percent Equation', CAPTIONSIZE, 2, CGCOLOR, '#006600', PADX, 5, 5, PADY, 5, 5, SHADOW, 0, SHADOWCOLOR, '#c0c0c0', BUBBLECLOSE, STICKY, CLOSECLICK, CLOSETEXT, '', ABOVE, RIGHT, BORDER, 1, BGCOLOR, '#006600', FGCOLOR, '#dcffdc', WIDTH, 400, TEXTSIZE, 2, TEXTCOLOR, '#000000', CAPCOLOR, '#FFFFFF');" onfocus="return overlib('(percent) × (base) = (amount)', CAPTION, 'Basic Percent Equation', CAPTIONSIZE, 2, CGCOLOR, '#006600', PADX, 5, 5, PADY, 5, 5, SHADOW, 0, SHADOWCOLOR, '#c0c0c0', BUBBLECLOSE, STICKY, CLOSECLICK, CLOSETEXT, '', ABOVE, RIGHT, BORDER, 1, BGCOLOR, '#006600', FGCOLOR, '#dcffdc', WIDTH, 400, TEXTSIZE, 2, TEXTCOLOR, '#000000', CAPCOLOR, '#FFFFFF');"Basic Percent Equation.

We do not know the total cost, so we let x represent the amount of the total cost in the equation and solve for x.

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