Two stores are having a sale on T-shirts that normally sell for $20. Store S is advertising and S percent discount, and Store T is advertising a t dollar discount. Rose spent $63 for three T-shirts from store S And one from store T. Mannys spends $140 On five T-shirts from store s and four from store t . Find the discount at each store

Step by step explanation pls for 10 pts the length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?