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OpenStudy (anonymous):
a school needs 3 teachers for every 70 children. They expect to have 14,700 children. at this time they have 612 teachers. How many more teachers are needed ?
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OpenStudy (anonymous):
First of all, set up a ratio. A good ratio is 3/70. We don't know how many teachers they will need total, so let's call that x. The number of students we have is 14700. So we can write the equation \[\frac{3}{70} = \frac{x}{14700}\]
OpenStudy (precal):
x-612 will tell them how many more teachers are needed
OpenStudy (precal):
I should mention that you have to do the proportion that was set up by SmoothMath first and then do what I mentioned above (Mine is step 2)
OpenStudy (anonymous):
im still lost..
OpenStudy (precal):
|dw:1341259339799:dw| first statement allows us to create this ratio
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