<span>Let x be the brother's weight.
Then 2x-5 is Andy's weight.
x+(2x-5)=100
3x-5=100
3x=105</span>
Answer:

Step-by-step explanation:
B - 45 because 27 divided by 6 is 4.5 and then 10x4.5=44
Answer:
15.1
Step-by-step explanation:
14.8=n-.3
you'd add .3 to other side so it'd be 15.1
63/12 = 4.2
4.2 x 12 = 50.4
x = 50.4