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Work Word Problem
#1
The book I'm using shows me how to solve but I'm getting a little confused at the end:


Quote:Suppose one painter can paint the entire house in twelve hours, and the second painter takes eight hours. How long would it take the two painters together to paint the house?


First

Add together what they can do individually per hour: 1/12 + 1/8 = 5/24 (Makes sense)

Second

Let "t" stand for how long they take to do the job together. (Okay)

Third

Then they can do 1/t per hour, so 5/24 = 1/t. When for t = 24/5, t = 4.8 hours (WTF)
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Messages In This Thread
Work Word Problem - by NJGx03x871 - 07-16-2014, 08:55 PM
Work Word Problem - by soliloquy - 07-16-2014, 09:16 PM
Work Word Problem - by NJGx03x871 - 07-16-2014, 09:24 PM
Work Word Problem - by soliloquy - 07-16-2014, 09:46 PM
Work Word Problem - by NJGx03x871 - 07-16-2014, 10:09 PM

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