Question

Find x if 5, 9, 11, 12, 13, 14, 17 and x have a mean of 12.

Answer 1

Answer: 15

Step-by-step explanation: 5+9+11+12+13+14+17=81

Make an equation based on this and solve for the variable (x)

81+x/8=12

12*8=96

81+x=96

96-81=15

x=15