Joey made 300 greeting cards. he sold 40% of the cards, gave 85% of the remaining cards to him friends, and kept the rest of the cards for himself. how many greeting did he keep for himself?

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.