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ratelena [41]
3 years ago
8

Colin joins a gym across the street from his house. The gym charges an initial fee of $15 for the key card plus $20 per month. W

e’rea relationship between total cost,C and number of months,m.
Mathematics
1 answer:
arsen [322]3 years ago
5 0

C=20m+15 represents the relationship between cost and number of months.

Step-by-step explanation:

Given,

Initial fee charged by gym = $15

Per month fee of gym = $20

Let,

m be the number of months.

C be the total cost for m months.

Total cost = Initial fee + Per month fee*number of months

C = 15+20m

C=20m+15

C=20m+15 represents the relationship between cost and number of months.

Keywords: equation, addition

Learn more about addition at:

  • brainly.com/question/2154850
  • brainly.com/question/2367554

#LearnwithBrainly

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Cherries $5 per pound and oranges per pound$2. He paid 18.00 for total weight which was 6 lbs how many pounds of cherries did Al
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Answer: 2 lbs of cherries

Cherries = $5 per pound
Oranges = $2 per pound
Total Cost = $18
Total weight = 6 lb

------------------------------------
Define x and y
------------------------------------
Let x be the number of lb of cherries
Let y be the number of lb of oranges

------------------------------------
Construct equations
------------------------------------
x + y = 6               ---------------------------- (1)
5x + 2y = 18         ---------------------------- (2)

------------------------------------------------------------------------
Solve x and y
------------------------------------------------------------------------
From equation (1):
x + y = 6 
x = 6 - y 

------------------------------------------------------------------------
Substitute x = 6 - y into equation 2
------------------------------------------------------------------------
5x + 2y = 18
5 (6 - y) + 2y = 18
30 - 5y + 2y = 18
3y = 30 - 18
3y = 12
y = 4

------------------------------------------------------------------------
Substitute y = 4 into equation (1)
------------------------------------------------------------------------
x + y = 6
x + 4 = 6
x = 2

------------------------------------------------------------------------
Find the weight of cherries and oranges
------------------------------------------------------------------------
Cherry = x = 2 lb
Oranges = y = 4 lbs 

------------------------------------------------------------------------
Answer: Alex bought 2 lb of cherries
------------------------------------------------------------------------
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3 years ago
2x+29 find the value of x​
NikAS [45]

Answer:

The answer would be x=13.5

Step-by-step explanation: 13.5 times 2 equals 27. 27 plus 2 equals 29.

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