SOLUTION: 1. A lawyer bills her clients $200 per hour of service. If a client's case requires 39 hours to complete, use proportion to calculate how much the client will owe the lawyer (exclu

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Question 170165: 1. A lawyer bills her clients $200 per hour of service. If a client's case requires 39 hours to complete, use proportion to calculate how much the client will owe the lawyer (excluding tax).
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
We have the following ratio: 


       Cost                   Cost
------------------  = --------------------
  Number of Hours        Number of Hours


So in this case, the ratio is:




------------------------------------



Start with the given ratio


Multiply both sides by 39


Multiply


Reduce



So our answer is which means that the lawyer will charge $7,800 for 39 hours of service.
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