A resort hotel has 260 guests. On one​ day, 6 groups of 13 guests leave to shop and 2 groups of 6 guests go sightseeing. Evaluate 260−​(6×13​)−​(2×6​) to find the number of guests that are left at the hotel.

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work