A carpenter cut four lengths of wood. The lengths were 36 3/4 in., 36 3/8 in., 37 1/2 in., and z in. If the mean of the lengths is 36 5/8 in., what was the length of the fourth piece of wood the carpenter cut?

A: 36 5/8 in
B: 35 7/8 in
C: 36 7/8 in
D: 37 1/4 in

Question

A carpenter cut four lengths of wood. The lengths were 36 3/4  in., 36 3/8  in., 37 1/2  in., and z in. If the mean of the lengths is 36 5/8 in., what was the length of the fourth piece of wood the carpenter cut?

A: 36 5/8 in
B: 35 7/8 in
C: 36 7/8 in
D: 37 1/4 in

anonymous · Answer

so how do you calculate the mean of the lengths?

anonymous · Answer

Dont know.. u didnt help me with my last problem..

anonymous · Answer

mean is another word for average

anonymous · Answer

do you know how to calculate the average?

amistre64 · Answer

if doing this by hand, id subtract 36 from the given values to work a smaller mean, then add 36 back to it in the end

anonymous · Answer

I don't. Just trying to get my class done because I've got 4 days to finish otherwise I fail..\:

anonymous · Answer

anyone know this??

anonymous · Answer

the average is the sum of all the values divided by the number of values there are