Given that it takes 5 hours piano practice each day.
Let the number of hours he practices for 10 days be x.
Thus,

thus, for 10 days, Steve practices piano for 50 hours.
Let the numbers of hours he practices piano for 29 days be y.
Thus,

thus, for 29 days, Steve practices piano for 145 hours.
Hence, the number of hours Steve practices piano for 1, 5, and 29 days are 5, 50, and 145 hours respectively.