Mínimo Múltiplo Comum | Matemática para Concursos - IBFC

14) Silvana goes to the manicure salon every 2 weeks, to the pedicure salon every 4 weeks, and gets her hair cut every 7 weeks. This week Silvana did everything: she went to the manicure salon, got a pedicure, and got her hair cut. This situation will repeat itself in: a) 14 weeks b) 28 weeks c) 42 weeks d) 56 weeks