Question

tyler surveys high school juniors and seniors to find out their favorite hobbies. some of his data are shown in the table. how many seniors chose crafts as their favorite hobby? table with rows: music, sports, crafts, total; columns: junior, senior, total. values: music - junior: 32, senior: 30; sports - senior: 43; crafts - junior: 28; total - junior: 105, total: 203

Explanation:

Step1: Find the total number of seniors

The total number of students is \(203\), and the number of juniors is \(105\). So the number of seniors is \(203 - 105=98\).

Step2: Find the number of seniors who chose crafts

We know the number of seniors who chose music (\(30\)) and sports (\(43\)). Let \(x\) be the number of seniors who chose crafts. Using the formula for the total number of seniors: \(30 + 43+x=98\).

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Answer:

\(25\)