Respuesta :
Answer:
1. -1.14285714286
2. 0.16666666666
3. 6.8
4. -1.7
5. 1 Answer. The answer is 4.5 hours (or 4 hours and 30 minutes).
Step-by-step explanation:
5 explanation. Rolf spent 15 hours last week practicing his saxophone if 3/10 of the time was spent practicing warm up routines How much time did he spend practicing warm up routines.
6. i didn't do any work
but i hope this is good for ya