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Savatey [412]
3 years ago
10

A group of tourists spends $156 to rent snorkels and fins. A total of 15 snorkels and 18 pairs of fins are rented. Renting a sno

rkel costs four times as much as renting a pair of fins. How much does it cost to rent a snorkel?
Mathematics
2 answers:
Bas_tet [7]3 years ago
5 0
You could use many methods to find the answer to this problem, but I am going to use the most efficient one I know.
18f+15(4f)=156
F is for fins. We should now solve the equation.
18f+60f=156
78f=156
156÷78=2
So fins cost 2 dollars. Now, we know snorkels cost four times the amount of fins. Four times 2 is eight. So the snorkels cost $8 to rent. Let's check our math.
15(8) + 18(2)
120+36=156
So it cost $8 to rent a snorkel.
eimsori [14]3 years ago
3 0

Answer:

<h2>A snorkel's rent costs $8</h2>

Step-by-step explanation:

Givens:

  • Total spend $156.
  • Snorkels rented: 15
  • Pair of find rented: 18

The problem specifies that a snorkel costs four times as much as a pair of fins, that is:

s: snorkels.

f: fins.

s=4f

The equation that represents the total cost is:

15s+18f=156

Now, we just have to substitute the expression for snorkels in the total cost equation:

15(4f)+18f=156

60f+18f=156

78f=156

f=\frac{156}{78}=2

Then, s=4f

s=4(2)=8

Therefore, a snorkel's rent costs $8.

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3.3.1. Calculate the new cost per night of the standard and family standard chalets. Round of (4) your answer to the nearest hun
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  • The information to complete the table is given below:
  • Equation that shows the relationship between the cost per night C and the number of people staying in the chalet n:                              C=  4000-100(n-1)

<h3>What is Equation?</h3>

An equation is a mathematical expression that contains an equals symbol. Equations often contain algebra. Algebra is used in math when you do not know the exact number in a calculation.

Given that:

Pules Rs 4000 per night but will decrease the amount by R100 per person occupying the chalet.

Number of People          Cost per night

          1                                       4000

          2                                       3900

          3                                      3800

          4                                       3700

          5                                       3600

          6                                       3500

          7                                       3400

          8                                       3300

          9                                       3200

          10                                      3100

let C be cost per night and n be the number of people of staying in chalet.

equation:   C=  4000-100(n-1)

      for n=1: C= 4000- 0=4000

            n=2, C= 4000-100(1)= 3900

The graph is attached below:

Learn more about equation here:

brainly.com/question/10413253

#SPJ1

     

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Step-by-step explanation:

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