At royston's favorite clothing store, the cost of a pair of jeans is $4 more than twice the cost of a shirt. the cost of a pair of dress pants is $2 less than 2.5 times the cost of a shirt. if the cost of a shirt is s dollars and royston purchased 1 pair of jeans and 1 pair of dress pants, which expression represents the total amount he spent in terms of s? 5s − 2 4.5s − 2 (2s + 4)(2.5s − 2) 4.5s + 2