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# A science museum offers tours for school groups with 20 or more students. the tour costs $100 plus $3.50 for every student in excess of 20 students. a school group pays $345 for the tour. part A: writ

A science museum offers tours for school groups with 20 or more students. the tour costs $100 plus $3.50 for every student in excess of 20 students. a school group pays $345 for the tour. part A: write an equation that can be used to determine the number of students,n, who went in the tour. explain how toy determined your answer