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can someone please explain to me how to use ratios? i completely forgot and need to know them for a test tomorrow! heres the question- The ratio of 2 consecutive sides of a parallelogram is 7:9. If the perimeter is 224cm, what is the length of the sides?

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can you explain in a bit more detail? @cherio12
a ratio is one thing divided by another. Sorry, i guess drawing the picture like that isn't the best idea to get the point across..1 second
for every 7 units on the one side you have 9 units on the other

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wait...idk if i like that picture either..>.<
|dw:1355358572569:dw| try three...
okay so i would set 18x +7x equal to 224, and solve for x?
18x+14x you have two sides of both
oh yeah, i mean 14, forgot to add that one ;P
i got the right answer! thank you so much!!! XXX
no problem

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