Answer:
44.88
Step-by-step explanation:
Heaviest box = 424.25
Lightest box = 379.37
424.25 - 379.37 = 44.88
Hope this helps!
x=10
Use pythagorean theorem because the triangle is right-angled triangle.
6²+8²=x²
36+64=x²
100=x²
x=√100
