Instructions Solve the following problem and choose the best answer.
Question
Ethan bought 3 pints of raspberries for $5 per pint and x pints of blueberries for $3 per pint. The average
cost of all the berries he bought was 15 + 3x dollars per pint. If the equation y =
15 + 3x
3+x
3+x
is graphed in the
xy-plane, what quantity will be represented by the y-intercept of the graph?
O The total cost, in dollars, of all the raspberries Ethan bought
The average cost, in dollars per pint, of all the raspberries Ethan bought
The total cost, in dollars, of all the blueberries Ethan bought
The average cost, in dollars per pint, of all the blueberries Ethan bought