Each morning debra reads for 1.2 hours. each evening she reads for 2.5 hours.    how many hours will debra have read in 8 days?   a. step 1: multiply 1.2 by 8.  step 2: multiply 2.5 by 8.  step 3: subtract the two products.   b. step 1: multiply 1.2 by 8.  step 2: multiply 2.5 by 8.  step 3: add the two products.   c. step 1: multiply 1.2 by 2.5.  step 2: multiply the product by 8.   d. step 1: multiply 1.2 by 2.5.  step 2: divide the product by 8.