4 draughtsman can complete a drawing in 10 days .after 6 days , 3 extra drughtmen join the group how many day are now saved ?
Answers
Answered by
2
Answer:
4. 10
4. 4
7. X
X = 4x4/7=16/7=2 2/7
Savings: 4-2 2/7=l 5/7
Similar questions