The ratio of birds to fish is 3 to 4. If there are 18 birds, how many fish are there?
2 answers:
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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