4 days ago the gas tank on Ryan's boat was filled with 30 gallons of gasoline today he has 8 gallons of gasoline what is the mean change in gasoline in gallons per day

4 days ago the gas tank on Ryans boat was filled with 30 gallons of gasoline today he has 8 gallons of gasoline what is the mean change in gasoline in gallons class=

Respuesta :

so I belive you would divide 8 by 30 then subtract 8 :)
30-8=22
22/4= 5.5
the mean change is -5.5 gallons a day
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