Percentage 67364

Create all four-digit numbers in which 0, 2, 5, and 9 are not repeated.
A) How many such numbers are there? You solve using a tree diagram.
B) What percentage of them are even?

Correct answer:

a =  18
p =  55.5556 %

Step-by-step explanation:

a=3 3 2 1=18
XXX0: b1=1 2 3 1=6 YYY2 b2=2 2 1 1=4  p=100 ab1+b2=100 186+4=9500%=55.5556%



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