SOLUTION: A picture has a ratio of length to width of 8 to 5. If the width is 35 cm, calculate the length of the picture. I know how to do proportions but I have no idea when it comes to

Question 12142: A picture has a ratio of length to width of 8 to 5. If the width is 35 cm, calculate the length of the picture.
I know how to do proportions but I have no idea when it comes to propotions with word problems.
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
Let x = length
35 cm = width

Ratios are really easy, and as long as you are consistent, you can hardly miss them. Set up a ratio of one variable to another, always using the same variable for the numerator and the same one for the denominator:

Remember, means that

In the same way:
means that

Divide both sides by 5:

R^2 at SCC

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