Directions: For each problem you must insert the correct operation (+ - x = square or parentheses) to make the expression correct. Show all work
4 2 19 36 6 3 = -8

The key on a road map has a scale factor of 1.5 inches = 50 miles. the distance between santa fe and albuquerque measures 7.5 inches. the distance between santa fe and taos is 0.75 inches. what is the actual distance between the cities?