SOLUTION: a/40=30/100 i tried and i got 12. i dont know if its the right answer can you explain it to me?

Algebra ->  Proportions -> SOLUTION: a/40=30/100 i tried and i got 12. i dont know if its the right answer can you explain it to me?      Log On


   

Question 390772: a/40=30/100
i tried and i got 12. i dont know if its the right answer can you explain it to me?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
a/40=30/100
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Multiply both sides by 40 to get:
a = 40(30/100)
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a = 40(3/10)
a = 120/10
a = 12
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You are correct.
Cheers,
Stan H.