marc makes $35 pr hour. he works 40 hours per week and gets commison of 15%on his total sales. how much should marc sell to make $6,500 in single week

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )