Question

if the mean of 7,16,9,15,16,a,12,8,b,11 is 12 write a in term of b​

Answer 1

Answer:

b=26-a

Step-by-step explanation:

mean= 7+16+9+15+16+a+12+8+b+11/10

12. =94+a+b/10

120. =94+a+b

26. =a+b

b. = 26-a