6th grade math
posted by dashana on .
the water level of a river is 50 feet. After one day,the water level has decreased to 38,5 feet. After two days, the water level is 37 feet,and after three days,the water level is 35.5 feet. write an equation to represent the water level,L after d days.

water level=1.5d+40 for d=1,2,3,...

nothing

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