A customer left $20 for a meal that cost 16.95. How much was the tip? What percent of the cost of the meal is the amount of the tip?

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Answer 1 · 2018-07-27T18:04:58

$18%$

Well the tip is the percentage profit..

$%p = (sp - cp)/(cp) xx 100$

$%p = "percentage profit"$

$sp = "selling price"$

$cp = "cost price"$

$sp = $20$

$cp = $16.95$

Plugging in the values;

$%p = (20 - 16.95)/16.95 xx 100$

$%p = 3.05/16.95 xx 100$

$%p = 17.994$

$%p = 18$