W The number of days, d, to build a house is given by
780
d =
where w is the number of workers used each day on site.
Bob's company will take 60 days to build the house.
Pat's company will take 39 days to build the house.
Pat's company will have to use more workers each day than Bob's company.
How many more?
Note: Make your final answer clear by writing "... more".

22;
When dealing with a box plot, the box represents the interquartile range (the range of the middle 50% of the data);
The value of the left side of the box is the lower quartile (Q₁);
The value of the right side of the box is the upper quartile (Q₃);
The value of the line in the middle of the box is the median (Q₂);
The lower quartile is the value below which 25% of data lies;
The median is the value below which 50% of data lies;
The upper quartile is the value below which 75% of data lies;
Therefore, the number being asked of you is, in fact, the upper quartile value, which is 22.