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- A test of mental arithmetic! ! ! !
A test of mental arithmetic! ! ! !
Has the unit L/min been converted into m? /h, then we can consider that one hour equals 60 minutes. That is130 * 60l/H.130 * 60 = 7800,7800l = 7.8m? , so 130L/min =7.8m? /h .
There is also speed conversion,1m/s = 60m/min = 3.6km/h. ....
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