57.10
70.9
these are only the answers for the first two problems
3ab...when a = 2 and b = 3
(3)(2)(3) = 6(3) = 18
If they have 24 hours in a day, and use 1/6 of those 24 hours on news, they use 24*(1/6) or 4 hours on news. Assuming that they use the leftover time for just music and entertainment, we have 20h - 4h, so thats 20h. You were right. Not sure on their reasoning either.
