PLEASE HELP ME
Mean: $620 Median: $610 Mode: $600

The following statistics represent weekly salaries at the Midtown Construction Company: First quartile: $580

Third quartile: $645 85th percentile $685

c. About what percent of employees’ salaries surpassed $645?

d. About what percent of employees’ salaries surpassed $685?

e. If the company has 100 employees, what is the total weekly salary of all employees?

Mean: $620, Mode: $600

Let's sort the rank stats.

First quartile: $580

Median: $610

Third quartile: $645

85th percentile: $685

OK, we're ready.  What happened to a and b?

c. $645 is the third quartile, 75th percentile.  That means 25% of the salaries are higher.

25%

d.  $685 is the 85th percentile, 15% greater.

15%

e.  The mean is the sum of all the salaries divided by the count.  

Mean = Sum / Count

So the sum is the count times the mean,

Sum = Count × Mean  = 100 × $620 = $62,000

Big payroll.

$62,000

5+2x=a

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its an acute right triangle

step-by-step explanation: