Answer:
$30
Step-by-step explanation:
30 % + 10 % = 40 %
40 % of $50 = $20
%50 - $20 = $30
7 1/2 is to the left of 17 2/3 on a number line because 7 1/2 is less then 17 2/3
108/9=12 is a true statement
Between 2pm and 4pm the average rate of change is zero.
I can't see the answer choices for the second part of the question.