TEAS Math Problem Solving Practice Test 3

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Question : 11 of 23

Marks: +1, -0

Three numbers

x, y

, and 27 have a mean of 30 . Five numbers

x, y, 27, a

, and

b

have a mean of 45 .
What is the mean of

a

and

b

?

69
70
67.5
25

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