Answer:
30minutes
Step-by-step explanation:
I'm not totally positive, but if 9 minutes is 30% or 3/10 of his time, then
10% or 1/10 is 3 minutes. So 100% or 10/10 is 30 minutes.
1r-1r
srry if its wrong i took that class a couple months ago
the answer to the question is 81b^28