Alex had an exercise routine he used to prepare for his soccer games. for each exercise set he would run for 5 minutes and then cool down for 1 minute. he wrote this equation to represent the total time spend on one exercise set. t = 5 + 1 which equation would represent the total time alex spent on 5 exercise sets? a. t = 5 + (5 + 1) b. t = (5 • 5) + 1 c. t = 5 + (5 • 1) d. t = 5 • (5 + 1)