Plz !

50x + y = 800

a student saves money each week to pay for a new computer. the equation above can be used to model the dollar amount, y, that remains to be saved x weeks after the student starts saving. what does it mean that (16,0) is a solution to this equation ?

a) it takes 16 weeks until the amount remaining to be saved is $0.
b) it takes 16 weeks until the amount remaining to be saved is $800.
c) the student saves $16 each week until the amount saved is $800.
d) the student saves $16 each week until the amount remaining to be saved is $0.

warning : you must explain why do you choose that answer. you also have to show