b) five more than m
"m in addition to 5"= m+5
The mean is the average of the numbers. to find the mean add up the numbers and divide by how many numbers there are
Depending on what you're supposed to do, the three could either mean to distribute it into the equation, giving you
either
(3*2015) or (3*20)*(3*15) or (3*20) +/- (3*15)
Or an example of factoring where they took 3 out of 60 and 45.
There are no instruction on what to do in this question.
