Convert both 1/5 and 1/4 to 20ths to get 4/20 and 5/20. From there just add the two together getting 9/20 of the trip done and 11/20 to go. Hope this answers your questions.
4 = -3(-2) + b
4 - 6 = b
b = -2
hope this helps
5z - 8 = 32
5z = 32 + 8
5z = 40
z = 40/5
z = 8
So, your final answer is 8 which is option C.
Hope this helps!
