From the pie chart, Social Media = 33.3% of 6 h = 2 h, Gaming = 18.1% of 6 h &asymp; 1.09 h.<br><br>
Social Media reduction: 2 × 8% = 16%.<br>
Gaming reduction: 1.09 × 5% &asymp; 5.45%.<br><br>
Total reduction = 16% + 5.45% &asymp; 21.9%.<br><br>
Final Answer: 21.9%