Each day Diego's mother drives to her office in Baltimore. The driving distance from home to Baltimore, Maryland is 7 miles. On her way home, she runs some errands at the mall so her driving distance is 8 miles How many miles does his mother drive going to work and coming home for 3 days?

Select the expression that represents the problem above

a) 7 + 8 + 3
b) (7 + 3) x 8
c) (7 + 8) = 3
d) (7 + 8) X3​