Answer:
son weight = 72
Step-by-step explanation:
D + S = 180
D + 2S = 252
S=252-180
S = 72
D= 108
Answer: range: 49-22=27
median: 40+41=81 81/2=40.5
mean: add up all the numbers=485 485/12=40.4
mode: 39, 40 and 46
1/2 I guess I don't think you typed in the question correctly. Not trying to be mean.
Answer:
multiply 10 and divide by 9
Step-by-step explanation:
you multiply 90 by 10 and get 900 then divide 900 by 9 and u get 100