The mean is the average of a set of numbers. So to do that:
add all the numbers 120+235+98+142=$595
Then divide that by the total number in the set, in this case it is 4.
$595/4= $148.75 assuming that the prices given are the final price of the job.
Answer:
p-25
Step-by-step explanation:
dx/dy = 1 -x / y + 1
$144
divide 272 by 17 and then multiply that answer by 9
272/17 is 16
so 16 dollars an hour
multiply that by 9
you get 144