Find the missing variable in each of the following (grade 9 math)
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Find the missing variable in each of the following (grade 9 math)

[From: ] [author: ] [Date: 11-05-03] [Hit: ]
=2.8------- 16.????......
1. r
------
2.7

= 2.8
-------
16.8

????

-
That means r/14=16/128 that implies r/14=1/8 that equals r=14/8=7/4
1
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