Which shows a correct order to solve this story problem?
each morning bree walks 1.2 miles. in the afternoon she walks 2.4 miles.
how many miles will bree have walked in 7 days?
a. step 1: multiply 1.2 by 7.
step 2: multiply 2.4 by 7.
step 3: add the two products.
b. step 1: multiply 1.2 by 2.4.
step 2: multiply the product by 7.
c. step 1: multiply 1.2 by 2.4.
step 2: divide the product by 7.
d. step 1: multiply 1.2 by 7.
step 2: multiply 2.4 by 7.
step 3: subtract the two products.