Is there a problem or something to show for it?
There is 1 brother as they would all have the same brother.
Answer:
B.9
Step-by-step explanation:
9*1=9
Write and solve an equation of ratios, as follows:
15 250
----- = ------- = 10/12.
x 300
Then 15(12) = 10x, and x = 18. The company could well predict that 18 out of the 300 phones it sells in July will be defective, based upon past history.