SOLUTION: How much would he charge? As his consulting fee Mr. Grave charges $90 for an 8 hour day. How much would he charge for 3 hours?

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Question 538551: How much would he charge?
As his consulting fee Mr. Grave charges $90 for an 8 hour day. How much would he charge for 3 hours?
Answer by fcabanski(1391) About Me  (Show Source):
You can put this solution on YOUR website!
Use a ratio: dollars/hours.


90/8 = x/3


Cross multiply.


8x=270


Divide by 8.


x = $33.75


Alternatively find his hourly rate.


$90/8 = $11.25 per hour.


Multiply that by the number of hours.


11.25 * 3 = $33.75.

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