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<u>Supposing a cost of $30,000</u>, and using proportions, it is found that you would have to save $1,083.30 each month.
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- We suppose a cost of $30,000.
- You already have $4,000 saved.
- 30 - 4 = 26, thus, you would need to save $26,000 in 2 years = 24 months.
- How much per month?
We can solve it using proportions, by the following rule of three:
1 month - $x
24 months - $26,000
Applying cross multiplication:
You would have to save $1,083.30 each month.
A similar problem is given at brainly.com/question/24112433
The mean speed of the 100 cars is 55.4
<h3>How to determine the mean?</h3>The table of values is given as:
Speed (MPH) Cars
30-39 5
40-49 18
50-59 50
60-69 17
70-79 10
Rewrite the frequency table to include the class midpoints
x f
34.5 5
44.5 18
54.5 50
64.5 17
74.5 10
The mean speed is then calculated as:
So, we have:
Evaluate
Hence, the mean speed is 55.4
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