Answer:
James and Alisa practiced for 288 minutes.
Explanation:
James practiced piano for 48 minutes. Alisa practiced for 5 times as long as James.
Let Alisa practiced for x minutes.
So, equation becomes:
minutes
Hence, Alisa practiced for 240 minutes.
Let the time played together be represented as y. So, we can denote y as:


y = 288 minutes
Therefore, James and Alisa practiced for 288 minutes.