193k views
0 votes
Missing proportion 15/5 = 20/n

1 Answer

5 votes

(15)/(5) = (20)/(n) \\(3)/(1) = (20)/(n) \\20 * 1 = 3 * n \\(20)/(3) = (3n)/(3) \\6(2)/(3) = n
User Dorian Gray
by
7.5k points