Question

At store A, 3 pounds of apples cost $12.
At store B, the cost is given by y = 2x where y is the cost in dollars and x is the number of pounds of apples.
The cost of apples at store C is shown in the graph.

Answer 1

What is the unit price of apples at store B? How did you use the equation to find the unit price?

Answer 2

y=2x,
where x is number of apples .
unit price=2 dollars/apple.
y=2x
it has a slope of 2.
actually slope is the unit price,so it is 2 dollars per apple.