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

Question

Weight
(kilograms)
Cost
(dollars)

(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 4 dollars per kilogram.
Apples cost 1 dollar per 4 kilograms.
Apples cost 16 dollars per kilogram.
Apples cost 1 dollar per kilogram.

Answer 1

(a) The equation to represent the relationship between C (cost in dollars) and W (weight in kilograms) can be written as:
C = kW
where k represents the cost per kilogram.

(b) The correct statement to represent this relationship is: Apples cost 1 dollar per kilogram.