Mr. Hudkins wants his 6th grade math class to memorize their multiplication facts. He decides to increase the number of facts they are expected to memorize each week and creates the following table. Week
(w) Number of Multiplication Facts Memorized
(m)
1 15
2 30
3 45
4 60

Using w = number of weeks and m = number of multiplication facts, which of the following equations is represented by the table Mr. Hudkins created?