there are two routes lucas can take to walk to school. Rout A is 2 1/8 miles and 3/8 miles longer than route B. The equation b+3/8=2 1/8 can be used to represent this situation, where b is the length of route B. How many miles will lucas walk if he takes route B? (A.1 1/2 miles) (B.1 3/4 miles) (C.2 1/4 miles) (D.2 1/2 miles)