SOLUTION: The cost in dollars of manufacturing x refrigerators is 9000 + 400x. the amount received when selling these x refrigerators is 500x dollars. what is the least number of refrigerat
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Question 323965: The cost in dollars of manufacturing x refrigerators is 9000 + 400x. the amount received when selling these x refrigerators is 500x dollars. what is the least number of refrigerators that must be manufactured and sold so that the amount received is at least equal to the manufacturing cost ?
A 10 B 18 C 45 D 90 E 100
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
9000+400x is the cost of x refrigerators
sales value = 500x
They have to be same to break even
..
9000+400x =500x
9000=500x-400x
100x=9000
x= 90 refrigerators
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