A car with 12 gallons of gasoline drives 312 miles until the tank is empty. Write a linear equation that describes the amount of gas left in the car, y, after driving x miles.
The linear equation is
- (Type your answer in slope-
intercept form. Use integers or simplified fractions for any numbers in the
expression.) *

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?