Real Numbers Answers

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1
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Solve for x.3x = 6x – 2

A
Option
B
Option
C
x=2
2
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d =

Question illustration
A
160
B
19.2
C
x
D
160 - x
3

Set up the equation, relating the new ratio of salt to solution to the desired 20% salt solution.

A
19.2/(160 – x) = 20/100
B
(160 – x)/19.2 = 20/100
C
0/19.2 = x/160
D
19.2/x = 20/100

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