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Based on the histogram, how many students were included in the survey? What percentage of the students surveyed babysat for at least four hours last weekend? Show your work.
 one year ago
 one year ago
Based on the histogram, how many students were included in the survey? What percentage of the students surveyed babysat for at least four hours last weekend? Show your work.
 one year ago
 one year ago

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annasBest ResponseYou've already chosen the best response.1
add amount of students from all four parts. 15+10+20+15=60 60 students participated at least four 10 + 20 + 15 = 45 (4~7)(8~11)(12~15) 45/60=3/4=75%
 one year ago
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