SOLUTION: Hi,I'm learning proportions and I believe I have the hang of it , but I'm not sure so can you help me with this question: x over 2x+1 and 16 over 40 ( t

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Question 1112080: Hi,I'm learning proportions and I believe I have the hang of it , but I'm not sure so can you help me with this question: x over 2x+1 and 16 over 40
( the word over indicates that it's a fraction)
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
Proportion is the equality of ratios.

Your two ratios:

and



They are equal, for a proportion.



You want to solve for the variable?





(Could be done in fewer steps)
Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

Hi,I'm learning proportions and I believe I have the hang of it , but I'm not sure so can you help me with this question: x over 2x+1 and 16 over 40
( the word over indicates that it's a fraction)
If it's , we first of all REDUCE the fraction on the right side, to: 



5x = 2(2x + 1) ------- Cross-multiplying

5x = 4x + 2

5x - 4x = 2

 

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