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andrew11 [14]
3 years ago
15

Determine the number of months for which the total cost of the systems will be equal. Estimate your answer to the nearest whole

number.

Mathematics
1 answer:
Yuki888 [10]3 years ago
8 0

Answer:

Answer is 351/20 or 17.5

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

35x+99=15x+450

Step 2: Subtract 15x from both sides.

35x+99−15x=15x+450−15x

20x+99=450

Step 3: Subtract 99 from both sides.

20x+99−99=450−99

20x=351

Step 4: Divide both sides by 20

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Answer: Hello daema, let's let x be the goal and c be the collection per day.

x - 45 + c = x + 5 is the answer so now let's talk about how we did that.

So she wants to get to x which is the goal. But right now she has 45 less than what her goal is. So that would look like this x - 45 now she has to get c or the collection per day to get to her goal. So now it looks like this x - 45 + c. Now that c has to be at least x which is her goal, it now will look like this x - 45 + c = x. But we're not done, the question said that now she 5$ over her goal, or x. So we have to add the + 5 onto the end so now it looks like this x - 45 + c = x + 5. To solve the equation "if you have to" it would be x = 50$ per day.

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