Question

The cost, in cents, of manufacturing y pens is given by the function f(y) = 1000 + 10y. All the pens manufactured are sold for 50 cents each. What should be the number of pens sold, so that the manufacturer is at no profit no loss situation?​

Answer 1

Answer:

That’s the sort of “problem” I can do in my head—-and if you can’t, maybe you should consider doing something else. Incidently, the “contribution rate” is (.80-.05=.75) 75 cents per unit, so one needs to sell 1600 (which is (1200/.75) to break even.

Step-by-step explanation:

$| \alpha log_{80 - .05 = 75 \\ \:}(?)$

$> 75 > 1600\times \frac{5 \binom 5}{2}$