39. If one student can complete the decorations for the prom in 5 days working alone, another student could do it in 3 days, and a third could do it in 4 days, how long would it take them working together? - QAmmunity.org

39. If one student can complete the decorations for the prom in 5 days working alone, another student could do it in 3 days, and a third could do it in 4 days, how long would it take them working together?

asked Sep 13, 2022 46.6k views

1 Answer

Search QAmmunity.org