Answer:
the answer would be C i hope this helps
47
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
Step-by-step explanation
6 (5x -2) + 12 = 30
30x-12+12=30
30x=30
x=30/30
x=1
