Joseph’s lunch at a restaurant costs $13.00, without tac. he leaves the waiter a tip of 17% of the cost of the lunch, without tax. what is the total cost of the lunch, including the tip, without tax?
a) $2.21
b)$10.78
c)13.17
d)15.21

The sum of the amount paid and the tip given will be the actual amount that will be the cost price for the bill of Joseph.

So, the total cost of the lunch including the tip is $15.21

Given information:

The cost of the lunch is $13.00

The tip for the waiter is 17%

Now, we know that:

Total cost()

Hence , the total cost of the lunch including the tip is $15.21

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Option D

Step-by-step explanation:

Joseph's lunch costs = $13 without taxes

He leaves tip for the waiter = 17% of cost of the lunch

= 17% of $13

= 13 ×

= ( 13 × 0.17)

= $2.21

Total cost of lunch + tip = 13 + 2.21

                                       = $15.21

Option D is the answer.

f(x) is going down by 4

step-by-step explanation:

(its either that or its going left by 4)