How do I calculate level of co2?

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#1
The World Meteorological Association recorded carbon dioxide levels of 405 ppm in 2017.
This is an increase of 46% since 1817.

Calculate level of carbon dioxide
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5 days ago
#2
(Original post by zarahh09)
The World Meteorological Association recorded carbon dioxide levels of 405 ppm in 2017.
This is an increase of 46% since 1817.

Calculate level of carbon dioxide
Sounds like percentage calculation. The percentage and the whole is given, the part is asked, so:

percentage = (parts * 100) / whole

parts = percentage * whole / 100

That is everything.
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#3
(Original post by Kallisto)
Sounds like percentage calculation. The percentage and the whole is given, the part is asked, so:

percentage = (parts * 100) / whole

parts = percentage * whole / 100

That is everything.
so
46/100=0.46
or
46x100/405=11.35
0
4 days ago
#4
(Original post by zarahh09)
so
46/100=0.46
or
46x100/405=11.35
Try to calculate percentage multiply by the whole first and last but not least divide it by 100. Or divide percentage by 100 first and then multiply by the whole.
Last edited by Kallisto; 4 days ago
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