The answer is they can remain playing for 2,401 minutes because 2^4 =16 so you do 7^4 as well and that gives u your answer
You can download the answer here www.hi.com jk it is the right table because you do the left times 1.88 to equal the right
Your answer is 10.4 I put in it my calculator
I'm not sure what the question means but here it goes, the graph looks like a w
1.92*9=17.28
The total would be $17.28