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erik [133]
2 years ago
12

Nick has $50. He just got a job as a construction worker making $10 an hour. He wants to earn enough money to buy himself a new

cell phone, valued at $900. If x represents the number of hour he works, write an inequality to represent this situation. What is the minimum number of hours must he work to buy the phone?
Mathematics
1 answer:
Ilia_Sergeevich [38]2 years ago
8 0

Answer:

900\geq50+10x; At least 85 hours

Step-by-step explanation:

Nick must make at least 900 dollars, so the amount he has + earns must be greater than or equal to 900 in order to walk out of the store with it.

50 is the amount that Nick already has, and add that to 10x, which gives $10 for every x hour.

To solve, subtract 50 from each side.

850\geq10x

Divide by 10 to solve for x:

85\geqx

Nick must work at least 85 hours.

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3 years ago
Which of the following equations could be the result of using the comparison method to solve the system shown?
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Answer:

6-2y=4y+8

since you show x through y

Answer:

The result that is obtained on comparing the system of equations in order to get the solution to the system of equations is:

   6 -2y =4y + 8

Step-by-step explanation:

We are given a system of equations in term of variable x and y as follows:

                                x + 2y = 6 --------(1)

                           x - 4y = 8-------------(2)

From equation (1) we have the value of x in terms of y as:

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From equation (2) we have the value of x in terms of y as:

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Hence, on equation the above two values of 'x' we obtain:

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5 0
2 years ago
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zhenek [66]

Answer:

2.50t + 350 = 3t + 225

Step-by-step explanation:

Let t represent the number of tickets that each class needs to sell so that the total amount raised is the same for both classes.

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The other class is selling tickets for $3.00 each and has already raised $225. This means that the total amount that would be raised from selling t tickets is

3t + 225

Therefore, for the total costs to be the same, the number of tickets would be

2.5t + 350 = 3t + 225

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Step-by-step explanation:

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