MATH PROBLEM
How long will it take B and A, together, to plow a field which B can do alone in 5 days and A, alone, in 8 days?
Answer to yesterday’s problem: 11 degrees
How long will it take B and A, together, to plow a field which B can do alone in 5 days and A, alone, in 8 days?
Answer to yesterday’s problem: 11 degrees