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Mathematics, 22.07.2019 17:30 ophanteen

Joe has earned $400 doing yard work this week. he charges $20 to mow a lawn and $10 to weed a garden. if m is the number of lawns joe mows and w is the number of gardens he weeds, then the variables are related by the equation 20m + 10w = 400. which variable is the independent variable? there is no relationship between the variables. m w

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