Can someone please help? I really need it and I will appreciate the person that will take the time to help me.

The sum of 3 consecutive integers is 36
A) Find the smallest integer using a tape diagram
B) Let n represent the smallest integer. Write an equation that can be used to find the smallest integer.
C) Determine if each value of n below is a solution to the equation in part (b)
i) n = 12.5
ii) n = 12
iii) n = 11

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.