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another word problem

mathgeek

New member
Joined
Sep 22, 2009
Messages
28
I am having trouble thinking through these problems. :lol:

If two typists can type two pages in two minutes, how many typists will it take to type 18 pages in six minutes?
 

galactus

Super Moderator
Staff member
Joined
Sep 28, 2005
Messages
7,216
Just set up the proportion.

\(\displaystyle \frac{\text{number of pages}}{\text{(number of typists)(minutes)}}\)

The number of pages per typist-minutes.

\(\displaystyle \frac{2}{2\cdot 2}=\frac{18}{k\cdot 6}\)

solve for k.

You may find this problem and similar ones if you google 'work problems'.
 

mathgeek

New member
Joined
Sep 22, 2009
Messages
28
galactus, I was wondering if there is a certain formula for this. It looked like you used a formula. If so, can you write it down.

Thanks
 

galactus

Super Moderator
Staff member
Joined
Sep 28, 2005
Messages
7,216
Not a particular formula. Just use of proportions. Depends on the problem. Forget formulas and try thinking it through.
 
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