Question

A mason builds 1/7 of a wall each day for 4 days
If the completes
the wall in 5 days, what part
of wall is constructed on the fifth day?​

Answer 1

Step-by-step explanation:

part of the wall constructed in 4 days is 4/7

take the whole wall as single unit 1.

part of wall constructed on 5th day is

1-4/7=

7-4/7

=

$\frac{3}{7}$