Answer:
1) 1/3
2) 4:1
Step-by-step explanation:
Answer:
The answer is D
Step-by-step explanation:

Let the additional fee , the shipping company charges be $y .
So for 0.75 pounds, since the weight is less then 1 pound, company charge = $2x
For 3 packages with weigh 2.5 pounds, company charge 3* ( x+(2.5-1)*y )
= 3x+4.5y
For package with weighs 4.2 pounds, company charge x+(4.2-1)y = x+3.1y
So the total amount , company charge = 2x +3x +4.5y +x+3.1y
=6x +7.6y
48, multiply -1 by -4 then multiply 4 by 12
PEMDAS
Answer:
341.5 because it makes the most sense