Ahmad buys apples from the local orchard. The table below shows the relationship between the cost (in dollars) and the weight (in kilograms) of the apples purchased.

Question

Weight
(kilograms) 0 1 2 3
Cost
(dollars) 0 3 6 9

(a)For the information in the table, write an equation to represent the relationship between C and W.


(b)Choose the correct statement to represent this relationship.

Apples cost 1 dollar per 3 kilograms.
Apples cost 9 dollars per kilogram.
Apples cost 1 dollar per kilogram.
Apples cost 3 dollars per kilogram.

Answer 1

(a) The equation that represents the relationship between the cost (C) and weight (W) of the apples purchased is C = 3W.

(b) The correct statement to represent this relationship is "Apples cost 3 dollars per kilogram."