a phylogenetically controlled comparative approach to determine whether the ... selected five points for each cardboard model, and measured the reflectance ... subtend a small visual angle and chromatic vision when a large one ... Experimental Biology, 220, 1975. https
He payed $43 to get the car so you need to do $111.20 -$43 = $68.20 then he pays $1.10 for every mile he drives so you need to decide $68.20 by$1.10 to get 62 so he drives 62 miles