Select the equation that most accurately depicts the word problem.
A 3-pound tub of butter at n dollars per pound costs $3.85.
A3n = 3.85
B3 - n = 3.85
C3 + n = 3.85
D3/n = 3.85
A 3-pound tub of butter at n dollars per pound costs $3.85.
A3n = 3.85
B3 - n = 3.85
C3 + n = 3.85
D3/n = 3.85