The expression that represents how many miles John and Jane commute to work altogether each day is (x + 2x) miles
An equation is an expression that shows the relationship between two or more numbers and variables.
An independent variable is a variable that does not depend on other variables while a dependent variable is a variable that depends on other variables.
Let us assume that Jane commute for x miles, hence:
John commute = 2x
Amount of mile John and Jane commute = x + 2x
The expression that represents how many miles John and Jane commute to work altogether each day is (x + 2x) miles
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