to stay healthy Emily decided to walk for 4/5 mile every day.she walk 2/5 mile to work and walk 1/4 mile lunchtime how much more does she need to walk after dinner if she wants to meet her target distance

to stay healthy Emily decided to walk for 4/5 mile every day.she walk 2/5 mile to work and walk 1/4 mile lunchtime how much more does she need to walk after dinner if she wants to meet her target distance​