rational number
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Dr.Peterson
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The picture is distorted in your image, making it hard to read (at first I thought the markings were in another language!), but here I've straightened it:
The markings are successive fifths: 0, 1/5, 2/5, 3/5, 4/5, 1. You misread 2/5 as 2/3, which would not make sense on the scale, since 2/3 > 3/5. It's poorly printed; in order to interpret it correctly, you need to be able to check what makes sense by looking at the whole context.
Do you see that, in fact 2/5 is half of 4/5, as claimed, but that wouldn't be true of 2/3?
The markings are successive fifths: 0, 1/5, 2/5, 3/5, 4/5, 1. You misread 2/5 as 2/3, which would not make sense on the scale, since 2/3 > 3/5. It's poorly printed; in order to interpret it correctly, you need to be able to check what makes sense by looking at the whole context.
Do you see that, in fact 2/5 is half of 4/5, as claimed, but that wouldn't be true of 2/3?
shreetama ganguuly
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height of the tree is 2/5
height of aeroplane is 4/5
height of an aeroplane from the top of the tree is 2/5
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