A cuboidal oil tin is 30\ c m by 40\ ...

A cuboidal oil tin is `30\ c m` by `40\ c m` by `50\ c mdot` Find the cost of the tin required for making `20\ ` such tines if the cost of tin sheet is `R s .20` per square metre.

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A cuboidal oil tin is 30 c m * 40cm * 50 c m . Find the cost of the tin required for making 20 such tins if the cost of tin sheet is R s .20 per square metre.

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