SOLUTION: IBM states that it makes a 30% profit over its expenses for producing hard drives. IBM sells each hard drive for $390. How much does it cost IBM to make each hard drive?

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Question 1144030: IBM states that it makes a 30% profit over its expenses for producing hard drives. IBM sells each hard drive for $390. How much does it cost IBM to make each hard drive?
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
IBM states that it makes a 30% profit over its expenses for producing hard drives. IBM sells each hard drive for $390. How much does it cost IBM to make each hard drive?
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$390 - (30% of $390)
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Now you have 2 different answers.
Which do you think is correct?
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It might be educational for you after all.

Answer by ikleyn(52810) About Me  (Show Source):
You can put this solution on YOUR website!
.

Let x be the value under the question, in dollars.


Then the condition says that


    x + 0.3x = 390  dollars,


    1.3x     = 390


       x     = 390%2F1.3 = 300   dollars.    ANSWER

Solved.