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cestrela7 [59]
3 years ago
13

At a tanning salon, customers are charged \$10 for their first visit in a calendar month and \$6 for each visit after that in th

e same calendar month. In the last calendar month, 100 customers visited the salon, of which 30 made a second visit, and 10 made a third visit. All other customers made only one visit. If those visits were the only source of revenue for the salon, what was the revenue for the last calendar month at the salon
Mathematics
1 answer:
Andru [333]3 years ago
5 0

Answer:

The salon would've made <u>$1,240</u>.

Step-by-step explanation:

Think of the customers as the numbers and the visits as variables. Then the equation would look something like this:

<em>Revenue = 100(first visit) + 30(second visit) + 10(third visit)</em>

And now, we just solve:

r = 100(10) + 30(6) + 10(6)

r = 1,000 + 180 + 60

<u><em>r = $1,240</em></u>

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bixtya [17]

The number of feet down the hallway where you go until you start to feel pain is 14 feet.

<h3>What is geometric progression GP?</h3>

A sort of sequence known as geometric progression (GP) is one in which each following phrase is created by multiplying every preceding term by such a fixed number, or "common ratio."

The general form of GP is

a, ar, ar², ar³ ... arⁿ⁻¹

where, a is the initial term.

r is the common ratio.

According to the question,

The initial term is; a = 2.

The common ratio r = 2.

The threshold value beyond which  person start feeling pain is 127.

Thus, last term; arⁿ⁻¹ = 128 (1 feet beyond 127 person start feeling pain)

Last second value is arⁿ⁻².

As, the common ratio is same in GP.

Thus,  arⁿ⁻¹ / arⁿ⁻² = ar/a

==> 128/arⁿ⁻² = r

==> 128/arⁿ⁻² = 2

==> 2×2ⁿ⁻² = 64

==> 2ⁿ⁻² = 32

==> n = 7

As, i step is of 2 feet, the total steps taken by the person is 2×7 = 14.

Therefore, the total number of steps beyond which person will feel pain is 14.

To know more about the geometric progression, here

brainly.com/question/15978376

#SPJ4

6 0
2 years ago
-If a= 2 and b = 3, then what does ab^2 equal?
Alex787 [66]

Answer:

36

because 2x3= 6

6x6 is 36

8 0
3 years ago
2.
german

Answer:

P(t)=2500(1.04)^t

Step-by-step explanation:

None of your proposed answers has an exponent <em>t</em>.

Here's the logic behind the answer:

Year 0: pop. = 2500

Year 1:  pop. = 2500(1.04)  That is 104% of the previous year's pop.

Year 2: pop. = 2500(1.04)(1.04) = 2500(1.04)^2

Year 3: pop. = 2500(1.04)^2 x (1.04) = 2500(1.04)^3

See the pattern?  The exponent matches the year number.

6 0
3 years ago
73. Erin is 25 years younger than her father. The sum<br> of their ages is 75. How old is Erin?
PSYCHO15rus [73]

25 years old

25years old+25 years between=50 Erin's father

25 years old+50 Erin's father=75

7 0
4 years ago
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How many numbers between 1 and 100 (inclusive) are divisible by 5 or 3?
Dominik [7]

Answer:

53

Step-by-step explanation:

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