Aconstruction crew has just finished building a road. the crew worked for 2 7/9 days. if they built 2 1/5 kilometers of road each day, what is the total length of road they built? write your answer as a mixed number in simplest form.

let 'x' represent the number of kilometers built per day

(5 2/5)x = 12

((5*5 + 2)/5)x = 12

by solving we find

x = 2.22 km  hope this is right 

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6