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Pavel [41]
4 years ago
13

What is the solution to the proportion:

Mathematics
1 answer:
tester [92]4 years ago
4 0
(3y - 8)             y
----------    =  ----------
  12                  5

cross multiply

5(3y - 8) = 12y.....distribute thru the parenthesis
15y - 40 = 12y ....subtract 15y from both sides
-40 = 12y - 15y....simplify
-40 = -3y ....divide both sides by -3
-40/-3 = y
13 1/3 (or 13.333) = y


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-------------------
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