Alaina surveyed students on her bus about their homework.The results are shown in this two-way table.Student Homework Last Night ResponsesHad Homework8Did Not Have Homework4Alaina used this data to design a spinner with 6 congruent sections that predicts whether a randomly selected student had homework last night.How many sections of Alaina’s spinner represent students who did not have homework?
There were 8 students who had homework and 4 who did not, for 12 students total. The fraction who did not have homework is 4/12 = 1/3. One-third of the spinner’s 6 equal sections is 6 × 1/3 = 2, so 2 sections represent students who did not have homework.
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