Cascading Style Sheets, a sheet language used to describe a made up language like HTML, how it's put on paper.
Answer:
if you mulitply (19*19*27*10*10) you get:
974700
There are as many fractions equal to 4/5 as there are numbers, but here are a couple that fit:
20/25
8/10
12/15
<span>100/125
...etc. Hope that answered your question :)
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