To calculate oral fluency of total Words Read Correctly per Minute (WCM)
1. Time the reading.
2. Convert the time into seconds (if reading passage is longer than 1 minute)
3. Subtract the total words (TW) from total words read correctly (TCW)
4. Divide (TCW)/sec; multiply by 60
(RW-TCW/sec) x 60 = WCM
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The formula to calculate the natural increase rate is (crude birth rate-crude death rate)/10 = % natural increase.
0.04849%
breaths / min
You can't calculate this without the tax rate.
You would calculate 2.3/7 . That number will be the rate in km per min.