Sixth graders have an average of 60 minutes of homework, four days a week. l seventh graders have 20 minutes more per day than sixth graders. how many minutes per week of homework does a seventh grader have?

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet