23cups/56 liters
hope this helps I'm learning this aswell
First you would take 20% off the orignal price giving you 30.4$ after that you take 10% of 30.4 to get 27.36$.
The integer would be
positive 5
F(x) = |x| + 4
f(0) = I 0 I + 4===> (0,4)
f(0) = - 0 +4 ===> (0,4)
