Question

Doreen and Irena plan to leave their houses at the same time, roller blade towards each other, and meet for lunch after 2 hours on the road. Doreen can maintain a speed of 5.6 miles per hour, which is 80% of Irena's speed. If they meet exactly as planned, what is the distance between their houses? Doreen and Irena plan to leave their houses at the same time, roller blade towards each other, and meet for lunch after 2 hours on the road. Doreen can maintain a speed of 5.6 miles per hour, which is 80% of Irena's speed. If they meet exactly as planned, what is the distance between their houses? @Mathematics

Answer 1

d = r t
The combined speed of Doreen and Irena multiplied by 2 hours is the total distance between their houses.\[d\text{ = }2\left(5.6+\frac{5.6}{.8}\right)\text{=}25.2 \text{ miles}\]