You can make a proportion of 8/20 to 42/x and then simply cross multiply from there to solve for y
Answer:
ok is this supposed to be a quesion to ask or a fact?
Step-by-step explanation:
Answer:
Step-by-step explanation:
Males proportion 
Females proportion 

(one tailed test for comparison of proportions)
Test statistic = 
=-1.3641
Here p= combined proportion = 
p value = 0.0869
Since p >0.05, accept null hypothesis.
The evidence does not suggest a higher proportion of females are annoyed by this behavior
B;
$6.00 lb + 15% = 6.00 x 1.15 = $6.90
$6.90 x 2.6lbs = $17.94
C;
New price is $.90 more.
3.5 x .90 = $3.15 more
200,000 is ten times 20,000