The inequality to represent the number of cans, c, that Xander must still collect is c ≥ 55.
Given the information in the question, the least number of cans that Xander can collet is 120. He can collect more than 120 cans. Thus, the inequality sign to be used is the greater than or equal to sign - ≥.
The number of cans Xander must still collect = 120 - 64 = 55
The inequality solution is c ≥ 55
