Which answers describe the shape below? Check all that apply.
2 answers:
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Answer:
Ephraim paid a 22.3% tip, what was his bill before adding the tip?
23.54
Step-by-step explanation:
For this case we assume the following notation:
represent the total paid for the dinner
x represent the amount before adding the tip
f =0.223 represent the fraction of the total amount destined to the tip
Based on this we can create the following relationship between T and x:
And we can solve for x from the previous equation like this:
Taking T common factor we got:
And if we replace we got:
And the amount destined to the tip would be
And if we add the two values we see that:
23.54+6.75 = 30.29 representing the total cost.
So then the correct answer for the question:
Ephraim paid a 22.3% tip, what was his bill before adding the tip?
23.54
For this case we must solve intersected with
So, we have:
The solutions are given by all strict minor numbers to 3.
The solutions are given by all the major strict numbers to 1.
If we intersect the solutions of both equations we have ∩
.
The intersection is given by
Answer:
The solution interval is (1,3)