Dawn and Lin took off on skateboards from the same location but traveled in opposite directions. After 20 minutes, Dawn had traveled 6.42 kilometers and Lin had traveled 7.7 kilometers. How far apart were they?
Rico and Josh took off on skateboards going in the same direction. After 20 minutes, Rico had traveled 5.98 kilometers and Josh had gone 8.2 kilometers. How far apart were they?
Yen calculates the product \(\cfrac{5}{8}\times\cfrac{24}{25}\). Before he multiplies, he simplifies all factors. What does the problem look like after he simplifies the factors?