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?
y = x
1 answer
The equation for the graph of this proportional relationship is y = x. The variable x represents the weight of the deli meat in pounds, and the variable y represents the cost of the deli meat in dollars. Since the cost of deli meat is proportional to its weight, the equation for the proportional relationship is simply y = x.
1 answer