Write what the expressions below best represent within the context of the word problem. mark had 3 times as many quarters as nickels. he had $1.60 in all. how many nickels and how many quarters did mark have?

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 )