Answer:
first you would find the sum of all the people who DONT have grey hair (15)
5:15 or if simplified it would be 1:3 pls mark brainliest if correct :D
2m-9
Step-by-step explanation:
m-4+m-5
=m+m-4-5
=2m-9
83.88
-34.44 - x = 49.44
-x = 49.44 + 34.44
-x = 83.88
x = -83.88