iAmCool
What percentage of the students surveyed babysat for at most eleven hours last weekend? Show your work.
*Pic To Come*



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iAmCool
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dw:1353543822540:dw

jim_thompson5910
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add up the heights of the first 3 bars to get your answer

iAmCool
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Well,
5+10+25=40
.. then what?

iAmCool
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40 is my answer?

jim_thompson5910
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so there are 40 students who babysat for at most eleven hours
there are 5+10+25+35 = 75 students total

iAmCool
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So now I divide 40 by 75?

jim_thompson5910
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so the percentage who babysat for at most eleven hours is
(40/70)*100 = 57.1428% roughly

iAmCool
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So 57% if rounded?


iAmCool
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But why did you put 70 instead of 75.. :I

jim_thompson5910
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oh my bad...i saw the 0 on 40 and thought it was 70, let me fix
(40/75)*100 = 53.333%


graydarl
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75.........100%
40...........x%
sox%=(40*100)/75 or (40/75)*100=53.33%

iAmCool
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Thanks you;)
And thank you graydarl too:)

graydarl
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np :D