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Three numbers are in the ratio 3 : 6 : 9 and their average is 66. What is the largest number?

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Three numbers are in the ratio 3 : 6 : 9 and their average is 66. What is the largest number?
posted Aug 17 by Anuradha Tabyal

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2 Answers

0 votes

99


Numbers are 3x, 6x and 9x
Their average is
(3x+6x+9x)/3=66
6x=66
x= 11
The largest number is
9x= 9*11= 99

answer Aug 17 by Hanifa Mammadov
0 votes

the largest number is 99
Solution,
x + 2x + 3x / 3 = 66, then x= 33
33 x 3 = 99

answer Aug 18 by anonymous



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