2 years ago

for large parties, a restaurant adds a 15% service charge to the bill. How much would be added to a bill of 638.40

Mathematics

1 answer:

sp2606 [1]2 years ago

6 0

It would be 734.16 because 638.40+15% = 734.16

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salantis [7]

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Explanation:
The average rate of change of function = $\frac{f(b) - f(a)}{b - a}$

Where
b = 8 (x's upper bound)
a = 0 (x's lower bound)

$f(b) = f(8) = \frac{2*8-2}{5*8-6} = \frac{7}{17} \\ f(a) = f(0) = \frac{2*0-2}{5*0-6} = \frac{1}{3} \\ \frac{f(b) - f(a)}{b-a} = \frac{ \frac{7}{17} - \frac{1}{3}}{8} = \frac{1}{102}$

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Let's take the percentage as x

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2 years ago

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There are five triangles in a heptagon. A heptagon is a seven-sided polygon.

Step-by-step explanation:

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