The table below shows the number of sweets needed for different number of students. If each student should get same number of sweets, how many sweets are needed for 18 students?

Out of all the adults, there are 894320 men, and 1361772 women in a town. If the total population of the town is 2807253, find the number of children in the town.

Julya completed her homework in 11.31 minutes. Gavrie took thrice as long as Julya to complete his homework. Demyan completed his homework 6 minutes after Gavrie. How many minutes did it take for Demyan to complete his homework?