(06.02 MC) Part A: Write an algebraic expression for 4 more than 3 times a number. (5 points) Part B: What is another way this expression can be read? (5 points)

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.