Paul inherited a stamp collection. Since receiving the collection, Paul has gone to the store and bought the same number of new stamps each week to add to his collection. The equation shown below can be used to
determine the number of stamps (y) in Paul's stamp collection x weeks after he inherited the stamps.
y = 3x + 40
Based on the equation, which statement is true?
A. The stamp collection had 3 stamps in it when Paul inherited it.
B. So far, Paul has purchased 40 additional stamps for the collection.
C. Since inheriting the collection, Paul has bought 3 new stamps each week.
D. Six weeks after he inherited the collection, Paul's stamp collection contains 18 stamps.