6 numbes
to find the mean
add the numbers then divide that result by how many numbers we have
99,120,107,111,110,x
add them
547+x
there wer 6 numbers and the mean was 118
(547+x)/6=118
multiply both sides by 6 to clear fraction
547+x=708
minus 547 both sides
x=161
you friend is very sleepy and is getting careless
