The total bill (before tax and tip) = $90
Tax = 6% = 0.06
0.06 x $90 = $5.4
Tip = 20% = 0.20
0.20 x $90 = $18
$90 + $18 + $5.4 = $113.4 (Answer)
Answer:

Step-by-step explanation:

In this problem, this line has a slope
, that is, this is an horizontal straight line. The intercept is the point
, so
. Finally, by substituting these values we have:

Lastly, this solution is shown in the figure below.
Answer:
12
Step-by-step explanation:
Answer:
31.98
Step-by-step explanation:
78 * .41 = 31.98