Noelle is making a rectangular place mat that is 15 inches wide and 18 inches long. What is the least amount of fabric that she
1 answer:
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Answer:265.25
Step-by-step explanation:
Given
Volume of box
height is 3 times the width
let height, length and breadth be H, L & B
4=B^2\times L[/tex]
Cost of side walls $
Cost of base $
Cost of side walls
Cost of base
Total cost
differentiate C w.r.t B to get minimum cost
L=2.19 m
C=$ 265.25
A. Always because imagine a line where one is y=x and the other is y=-x+1. The point of intersection would be (1,1)
