If she can drive 4180 miles in <em>two </em>weeks, it would make sense that she would drive an average of <em>half </em>that distance in <em>one </em>week. Half of 4180 is 2090, so she averaged 2090 miles each week.
Choice A
Reasoning
26=7(g-9)+12
26=7(11-9)+12
26=7(2)+12
26=14+12
26=26