Question 1098069
rate * time = distance is the basic formula to use for this type of problem.


they are both skating for 2 hours when they meet.


doreen skates at 2 miles per hour.


this is 40% of irena's rate.


if we let x = irena's speed, then 2 = .40 * x


solve for x to get x = 2 / .40 =  5 miles per hour.


doreen skates at 2 miles per hour.


irena skates at 5 miles per hour.


2/5 = .4 = 40% so we got the speeds right for doreen and irena.


rate * time = distance is the basic formula to use.


in 2 hours, doreen skates 2 * 2 = 4 miles towards irena.


in 2 hours, irena skates 5 * 2 = 10 miles towards doreen.


the distance between them has to be 14 miles.