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Question

Question \( 4 \) A company produces a certain item...

Question \( 4 \) A company produces a certain item. The costs of production at two levels of output are: 

At a production level of \( 32,000 \) items the cost is \( 485,000 \) 

At a production level of \( 43,000 \) items the cost is \( 639,000 \) 

Calculate the cost of producing \( 40,000 \) items. 

Question \( 5 \) 

Three taps, A, B and C are emptying a tank. Tap A can empty the full tank in \( 6 \) hours, tab B in \( 8 \) hours. If all taps are open together, it would take \( 2.66667 \) hours to empty the tank. How long (in hours) would it take tap C by itself to empty the tank? Marks 

Answer

@ 40,000 items, cost = 597,000

Solution
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