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Math equations
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Total cards: 4•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (4)
#1
Front (Question)
Percent change equation
Back (Answer)
(new-old) / old x 100
#2
Front (Question)
Primary productivity
Back (Answer)
NPP = GPP - Respiration loss
#3
Front (Question)
Growth rate of a country
Back (Answer)
Growth rate % = (CBR-CDR) / 10
#4
Front (Question)
Doubling time
Back (Answer)
70 / r = doubling time in years