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andrew11 [14]
2 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]2 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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What percent of 80 is 90?
Pie
<h2>Answer:</h2>

112.5%

<h2>Step-by-step explanation:</h2>

100% = 80   - first, you have to write down, what is 100%

1% = 80/100 - than, you need to find out, what is 1% of 80

1% = 0.8

90/0.8 = 112.5% - last step is dividing 90 by 1% of 80


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3 years ago
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Ms. Lee, a single adult, earned $65,000 in taxable income last year. Use the rate table below to calculate how much she must pay
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DanielleElmas [232]
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Which operation should be preformed first when evaluating the expression; 4+12-5x7?? What is the value of the expression; 9+ 4 t
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