The Figure Below Shows a Consumer Maximizing Utility at Two

Multiple Choice

The figure below shows a consumer maximizing utility at two different prices (the left panel) and the consumer's demand for good X at the same two prices of good X (the right panel) .The price of good Y is $4.50.The equation of the budget line passing through point r is _______________.

A) Y = 80 - (10/3) X
B) Y = 90 - (10/3) X
C) Y = 80 - 0.3X
D) Y = 90 - 0.3X