Sorry

This answer is incorrect.

If you look at the more completlely marked ruler below you will see that 7.5 centimeters is located at "B"

image of ruler depicting incremental measurements between six and twelve, of point-five centimeters

Now let us try another one

If a pencil were 8.5 inches long, where would its point end on this inch ruler

image of ruler depicting incremental measurements in centimeters. A, B, C, and D are marked on mesurements between six, seven, C on eight, and D between eight and nine.

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