I think it is 57 I just subtracted the two numbers
X = 9
Work:
5x-3+48+90=180 (sum)
-3+48+90=135
135+5x=180
subtract 135 from 135 and 180 and that gives you 45
5x=45
divide each side by 5
x=9
Answer:
27.5 is your mean.
Step-by-step explanation:
To get this, add the figures together and divide by the number of terms.
