Question

A proportional relationship between the number of pounds of spinach (x) and the price in dollars (y) is graphed, and the ordered pair (5, 2) is on the graphed line.

Part A: What is the price of 1 pound of spinach? Show your work.
Part B: What does the ordered pair (10, 4) on the graph represent? Explain in words.

Answer 1

A: one pound of spinach is $0.40

B: 10 pounds of spinach for $4

Explanation:

X=number of pounds of spinach

Y=price in dollars

(x,y)

(5,2) would be 5 pounds of spinach for $2

(10,4) would be 10 pounds of spinach for $4

2/5 $0.40per pound of spinach

Check: 4/10=0.40

1 pound of spinach would be $0.40