Question:
12 students working for 5 hours a day can solve a certain number of problems in 8 days. How many students are needed to solve. Five times the original number of problems, if they work at 4 hours a day for 15 days?
45 | |
40 | |
90 | |
90 | |
95 |
Answer:
40
Last Updated:
10/11/2021 - 17:00