2. Sal paid $3 to enter the fair and bought 10 tickets for rides. Write an algebraic
expression to tell how much money she spent. Let r= the cost of

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.