Solve for the unknown in the proportion
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Solve for the unknown in the proportion

[From: ] [author: ] [Date: 11-11-12] [Hit: ]
......
x/7= 2/1/5

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the way you have written the LHS of the equation will simplify as:

(2 / 1) / 5 = 2 / 5

But I am sure you mean:

2 / (1 / 5) = 10.

Then, just multiply both sides by 7.

x = 70.
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