Answer with Explanation:
(A's 1 day's work) : (B's 1 day's work) = 7/4 : 1 = 7 : 4.
Let A's and B's 1 day's work be 7x and 4x respectively.
Then, 7x + 4x = 1/7 => 11x = 1/7 => x = 1/77.
Therefore A's 1 day's work = ( 1/77 x 7)= 1/11 .
(A's 1 day's work) : (B's 1 day's work) = 7/4 : 1 = 7 : 4.
Let A's and B's 1 day's work be 7x and 4x respectively.
Then, 7x + 4x = 1/7 => 11x = 1/7 => x = 1/77.
Therefore A's 1 day's work = ( 1/77 x 7)= 1/11 .