Respuesta :
1/2 = 5/10
1 3/5 = 1 6/10 = 16/10
16/10+5/10=21/10 or 2 1/10
so she practices 2 and 1 tenth of an hour (2 hours and 10 minutes)
1 3/5 = 1 6/10 = 16/10
16/10+5/10=21/10 or 2 1/10
so she practices 2 and 1 tenth of an hour (2 hours and 10 minutes)