60 m
h
surface at 5 per m²
18. A tank 12 m long, 8 m wide and 5 m deep is to be made. It is open at the
top. Determine the cost of iron sheet, at the rate of 7 3.50 per metre, if
the sheet is 4 m wide.
T
Answers
Answered by
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Answer:
C=3760
Step-by-step explanation:
Area of sheet = Surface area of the tank
Surface area of the tank = Area of 4 walls of the tank + Area of its base
A=20×8+8×12+20×8+8×12+20×2
A=160+96+160+96+240
A=752m2
Area of sheet = Surface area of the tank
L×2.5=752
L=300.8 m
Length of the sheet =300.8 m
∴ cost of the sheet =C=300.8×12.50
C=3760
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