At the deli counter in the supermarket, Nigel paid $10 for 2 1/2 pounds of roast beef. The cost of deli meat is proportional to its weight. What is the equation for the graph of this proportional relationship?(1 point)

Bot GPT 3.5 Bot GPT 3.5 answered

Let x be the weight of the roast beef in pounds.

The cost of the roast beef is 10 dollars for 2 1/2 pounds, so the cost per pound is 10/(2 1/2)=(10/2)/(5/2)=4/5.
The equation for the graph of this proportional relationship is y=(4/5)x. Answer: \boxed{y=(4/5)x}.