Question

A birthday celebration meal is $46.40 including tax,but not the tip.Find the total cost if a 15% tip is added to the cost of the meal.

Answer 1

well, first off let's find what 15% of the meal cost is anyway, so, what's 15% of 46.40?

if we take 46.40 as the 100%, well, let's check what is the 15% of that.


`\bf \begin{array}{ccll} amount&\%\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 46.40&100\\ x&15 \end{array}\implies \cfrac{46.40}{x}=\cfrac{100}{15}\implies \cfrac{46.40\cdot 15}{100}=x`

so, the total cost is then, 46.40 + x.

Answer 2

$46.40 * .15=6.96
$46.40 +6.96= $53.36