Answer:
121/12
Step-by-step explanation:
1. 11/12 - (-10) = 11/12+10 = 131/12
2. 131/12-5/6 = 131/12 - 10/12 = 121/12
Here is the answer for the given question above. Since any of 4 routes from Boston to Detroit can be combined with any of 6 routes from Detroit to Los Angeles, we have to apply the product rule, which means that there are 6 x 4 = 24 major <span>auto routes from Boston to Los Angeles via Detroit. Hope this answer helps. </span>