25-05-2015
Mathematics

contestada

the mathematical model C = 400x + 70,000 represents the cost in dollars a company has in manufacturing x items during a month. How many items were produced if costs reached $230,000?

Respuesta :

darth666 darth666

25-05-2015

c=400x+70000
c=230000
230000=400x+70000
230000-70000=400x
160000=400x
1600=4x
x=1600/4=400

x=400

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