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Can you help me determine these two pairs of proportions? Please?

1. 2/7 1/3 2. 1/5 = x/3
Are proportions the same as equivalent fractions? Why?

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The proportions are not the same or equivalent. In the first proportions 1/3 is greater than 2/7 since 1/3 x100 = 33.3% while 2/7 x100 = 28.6%. In the second proportion 1/5 is a figure that is know unlike x/3 which has unknown figure.

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hi

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1) Get LCD of 21, then
2/7 = 6/21. 1/3 = 7/21
2/7 < 1/3. They aren't equal.
2) 1/5 = x/3. Multiply through by 3
3/5 = x
Yes, they are the same as equivalent fractions.

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jessschamp333

X=3/5! I got that by cross multiplying!
1/5 = x/3
Cross multiply
Then u get 5x=3
Then divide to get x alone to get x=3/5 hope that helped!

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