20 points if anwsered correctly
challenge after a heavy rain, a river reached the edge o...
Mathematics, 29.11.2019 23:31 kolbehoneyman
20 points if anwsered correctly
challenge after a heavy rain, a river reached the edge of its banks. any more rain and there would be a flood. after a few hours, the river went down one fifth inch
. then another rainstorm hit and dropped one fourth inch
of rain. the river rises by startfraction 1 over 20 endfraction
of the amount of rain that falls. use this expression negative one fifth plus startstartfraction one fourth overover startfraction 20 over 1 endfraction endendfraction
to find how the new water level compares to the riverbank. did the new rain cause a flood?
negative one fifth plus startstartfraction one fourth overover startfraction 20 over 1 endfraction endendfraction
equals
nothing
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