In a box,
number of red buttons : number of blue buttons = 5:3
number of blue buttons : number of green buttons = 1:2
There are 48 green buttons in the box.
Work out the number of red buttons in the box.

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is