Check the picture below. Recall, is an open-top box, so, the top is not part of the surface area, of the 300 cm². Also, recall, the base is a square, thus, length = width = x.

so.. that'd be the V(x) for such box, now, where is the maximum point at?

now, let's check if it's a maximum point at 10, by doing a first-derivative test on it. Check the second picture below.
so, the volume will then be at
Associative property of <span>multiplication</span>
Two trips a day for 5 days = 10 trips
(3/10)(10)= 3 miles
Answer:
4
Step-by-step explanation: