Question

By the age of 21, the best violinist and pianist will have practiced at least 10,000 hours. If you practice and instrument 45 minutes (or 0.75 hours) a day for 365.25 days, the length of a year, how many hours will you have practiced?

Answer 1

273.94 hours.

Explanation:

1 day = 0.75 hours of practicing in a day.

365.25 = x

1/365.25 = 0.75/x Cross multiply

x = 0.75 * 365.25 Combine

x = 273.94 hours