A student wrote 18 distinct numbers on a blackboard. The average of these numbers was 15. If the least of them was erased, the average of the remaining numbers would be 0.5 more. Find the least of them.

A student wrote 18 distinct numbers on a blackboard. The average of th

1.	A student wrote 18 distinct numbers on a blackboard. The average of these numbers was 15. If the least of them was erased, the average of the remaining numbers would be 0.5 more. Find the least of them.
A.	6
B.	5.5
C.	5
D.	6.5
Answer» E.

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A student wrote 18 distinct numbers on a blackboard. The average of these numbers was 15. If the least of them was erased, the average of the remaining numbers would be 0.5 more. Find the least of them.

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