Step-by-step explanation:
The point-slope form of a line is given by

where
is the point on the line. So we can write the equation as

Use the distance formula to get your answer. The distance formula is d=sqrt(x2-x1)^2+(x1-y1)^2 Once you plug your coordinates into it, you'll get your answer.
Divide 486 pounds with 27 boxes
486/27= 18
Answer: 18 pounds for each box
21 is the answer hope this helps