velocity_girl

I need help in completing my project..okay..the question given is like this... Your village has planned to open a poultry industry to boost the village's economy. You have to help them yo build an effective feeder machine to feed the chicken. 1st part: the feeder machine should be able monitor the level of chicken feed and clean water. the machine should indicate the following level using LEDs. Level 1: Full Level 2: Warning Level 3: Empty 2nd part: The machine should also be able to show how long the chicken feed and clean water tanks are empty. I already done the 1st part but i'm having problem completing the second one. Can anybody help me???