Hey, what do you need help with ?
I'm fairly sure that the answer is an ecosystom.
Answer:
This literally makes no sense, we need more info.
Answer:
The which spends on the piano is( 50 minutes )
The which spends on the guitar is( 40 minutes )
Step-by-step explanation:
The steps of the solution in the above photo
I hope that is useful for you :)