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Maurinko [17]
3 years ago
5

Sarah wants to join a gym. Fitness Gym charges a $120 enrollment fee and $25 a month. Sports Gym charges no enrollment fee and $

45 a month. Sarah wants to know how many months it will take for the cost of both gyms to be the same. She writes the two equations C = 120 + 25x and C = 45x and graphs the solution. What does the graph tell her about many months it will take?
A) It will take 5 months.
B) It will take 6 months.
C) It will take 9 months.
D) It will take 18 months.

Mathematics
2 answers:
Advocard [28]3 years ago
5 0

Answer:

<h2>B) It will take 6 months.</h2>

Step-by-step explanation:

This problem can be solved using the equation or the graph.

The given equation is

120+25x=45x

We solve for x

120=45x-25x\\120=20x\\x=\frac{120}{20}\\ x=6

This means after 6 months both gyms will cost the same.

Now, if you wanna solve this using the graph, you just need to look for the interception points of the two lines, where each of them represents each gym. Notice that they intercept at (6,270), that is, after 6 months they cost $270 each of them.

Therefore, the right answer is B).

kirill [66]3 years ago
4 0

Answer:

it will take about 6 months

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Step-by-step explanation:

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3 years ago
5% of the toddlers in a preschool class drink water with their lunch. How many toddlers are in the class if 3 drink water with t
OLga [1]

Answer:

<u>There are 60 toddlers in the preschool class</u>

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Percentage of the toddlers in a preschool class drink water with their lunch = 5

Number of the toddlers in a preschool class drink water with their lunch = 3

2.  How many toddlers are in the class?

We'll solve the question, using the Direct Rule of Three, this way:

Percentage      Toddlers

      5                       3

    100                     x

*******************************

5x = 3 *100

5x = 300

x = 300/5

x = 60

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6 0
3 years ago
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Answer:

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Step-by-step explanation:

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6 0
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Please solve the question and give correct answer with explanation so that i can understand it​
denis-greek [22]

Answer:

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Step-by-step explanation:

Let the speed of the car is c and speed of the plane is p.

<h3>We are given:</h3>

The speed of the plane is 7 times the speed of the car

  • p = 7c

The distance traveled is

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The time difference to travel this same distance is 3 hours.

<h3>We know that:</h3>
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Find the time for car and plane and their difference.

<h3>Car</h3>
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<h3 /><h3>Plane</h3>
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<u>Solve it for c:</u>

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Now find the speed of plane:

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