Of the 3 numbers whose average is 70, the ﬁrst is 3 / 4 of the sum of other two. What is the ﬁrst number?

Of the 3 numbers whose average is 70, the ﬁrst is 3 / 4 of the sum o

1.	Of the 3 numbers whose average is 70, the ﬁrst is 3 / 4 of the sum of other two. What is the ﬁrst number?
A.	70
B.	80
C.	100
D.	90
Answer» E.

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Of the 3 numbers whose average is 70, the ﬁrst is 3 / 4 of the sum of other two. What is the ﬁrst number?

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