Problema Solution
the alterations store on birch street charges $13 to hem a pair of jeans and $14 to hem a pair of cuffed pants.the alterations store on westland avenue charges $11 to hem a pair of jeans and $16 to hem a pair of cuffed pants .Roxanne has 3 pair of cuffed pants that need hemmed.how many pair of jeans will she need to get hemmed to make the alterations store on wesTland avenue a better deal than the alterations store on birch street
Answer provided by our tutors
pair of cuffed pants = 3
pair of jeans say J
so 14*3 + 13*J should be >= 11*J + 16 *3
so 13J- 11J >= 3(16-14)
so 2J >= 6
so J should be >= 6/2 =3
so the minimun no of pair of jeans required is 3 to make westland anenue store deal better than that on the birch street