Calculating Hours from a Pie Chart

A group of students conducted a survey to determine how many hours they spent on various extracurricular activities each week. The results are summarized in the pie chart below:

Based on the pie chart, the percentages for each activity are as follows:

• Sports: 30%
• Music: 25%
• Art: 20%
• Community Service: 15%
• Others: 10%

If a student spends a total of 20 hours per week on extracurricular activities, how many hours are spent on music?