It takes Darryl nine hours to mop a warehouse. Castel can mop the same warehouse in eight hours. Find how long it would take them if they worked together?
Berikut adalah jawaban yang paling benar dari pertanyaan “it takes darryl nine hours to mop a warehouse. castel can mop the same warehouse in eight hours. find how long it would take them if they worked together?” beserta pembahasan dan penjelasan lengkap.