Mary mixed 8 l cranberry juice into 5l of apple juice that had 30% sugar . if the cranapple mixture was 35% sugar what was the percent of sugar in the cranberry juice

Renee hiked for 6 3 /4 miles. after resting, renee hiked back along the same route for 5 1 /4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.