How do you tell if an equation, table, graph, and word problem are all related to the same situation? PLZ help me I need help on this is a grade today

Step-by-step explanation:

Given : A 3-pound tub of butter at n dollars per pound costs $3.85.

i.e. cost one pound butter is given to be 'n'.

Then the cost one pound butter must be expressed by '3n'. [By unitary method]

Also, it is given that the cost of 3 pound tub of butter is $3.85.

Then, the equation that most accurately depicts the word problem will be :

Hence, the correct answer is .