Answer:
a. always positive
Step-by-step explanation:
Alex learning?
Plug in 2.5 for x and you get
2.5+1 which equals 3.5
Answer:
Step-by-step explanation:
Let x be the brother's weight.
Then 2x-5 is Andy's weight.
x+(2x-5)=100
3x-5=100
3x=105
The first one is correct I think.
