Question

working 4 hours a day Sunny can copy a book in 15 days how many hours a day should sheet work so as to finish the work in 12 days

Answer 1

Answer:3.20

Step-by-step explanation:When sunny works for 4hrs a day_15 are completed

When he works for 12 days_?hrs

Cross multiply

12×4÷15=3.20

Answer 2

5 hours a day should sheet work to finish the work in 12 days