What's the probability that a shuffled standard deck of 52 cards has two top cards of: a) the same color? b) of the same suite? c) of the same rank? d) of the same color and rank?

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