Translate the statements in english where c ( x, y ) means that student x is enrolled in class y, where the domain of x consists of all students in your school and the domain of y consists of all classes being offered at your school.

Sean is his dad build a tiled walkway in their backyard. the walkway will be 6060 feet long and 22 feet wide. the local hardware store sells tiles which are 22 by 22 feet and come in boxes of 66. how many boxes of tiles do they need?