SOLUTION: A survey of 400 people found that 66 were left-handed. What percent of those surveyed were left-handed
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Question 81075: A survey of 400 people found that 66 were left-handed. What percent of those surveyed were left-handed
Answer by Mathwiz101(4) (Show Source): You can put this solution on YOUR website!
You have to make a proportion on this one--
First thing you have to do is to set the proportion up, like this:
x/100 = is/of
Doing the is over of part may seem weird but it really helps.
66 people of 400 people are left handed, so that means:
x/100 = 66/400
*Cross multiply and finish the proportion
400x = 66(100)
400x = 6600
*Divide each side by 400
*x = ?
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