I have two questions, firstly, what is 21 as a proportion of 510 (expressed as a decimal), and secondly, what is 66 as a proportion of 510 (expressed as a decimal)?
2026-04-01 00:25:34.1775003134
How to find proportions: x as a proportion of y.
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$(1)$ Simplify/divide out $\dfrac {21}{510}$
$(2)$ Simplify/divide out $\dfrac{66}{510}$.