Answer:
1/3
Step-by-step explanation:
1/3 because 8/12 + 1/3 is 1 whole
The whole chore is 1, or 12/12
Subtracting the fraction of work done by A and B
12/12- 8/12 = 4/12
Which simplifies
4/12 = 1/3
2145.5m^3
679.2yard
v
im pretty sure the answer would be 40m
SEE THE IMAGE FOR SOLUTION
HOPE IT HELPS
HAVE A GREAT DAY