John hired a cement mixer for a number of days, jack hired the jet wash for the same amount of days and paid the same amount. how many days did they use the tools for? can you show how you did it as-well

Задача 8

альтернативная стоимость одного часа свободного времени составляет:

(17+20)/2 = 18,5 рублей

Задача 9

1) альтернативная стоимость (5+10)/2 = 7,5 руб

2) 7,5 -7 = 0,5 руб (упущенная выгода одного часа)

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Step-by-step explanation:

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step-by-step explanation:

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints