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Mathematics 20 Online
OpenStudy (anonymous):

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?

OpenStudy (anonymous):

answers 1. m 2. w 3. There is no relationship between the variables.

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