Question

the mean of numbers 20, 30, 40, x, x + 10 ,70, 80, 90 is 110. find the missing numbers​

Answer 1

Answer:

270,280

Step-by-step explanation:

given that

(20+30+40+(x)+(x+10)+70+80+90)/8 = 110

340 +2x = 880

x = 270

missing numbers are 270,280