Question

last week Rachel power walked 2 3/5 miles on each day of the 7 Days. During the same week she also jogged 5 3/4 miles per day on 4 days what was the total number of miles Rachel power walked and Jogged last week

Answer 1

I'm just going to give you the formula so you can learn 

(2 3/5 ·7) + (5  3/4 ·4)

Answer 2

Just do 18 2/10 plus 23/1