Answer:
=n+8+n+−12
=(n+n)+(8+−12)
=2n+−4
=2n−4
= 2(n-2)
it will take 7 days
Step-by-step explanation:
0.6×6= 3.6 but 0.6×7=4.2 so instead of it taking 6 days since they didnt finish they need the 7th day to complete it all
