Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions :
Scenario: Music Downloads and Streamed Movies
Phillip has an income of $300 per month,which he uses to purchase music downloads (MD) and streamed movies (SM) .Each music download costs $1 and each streamed movie costs $5.
-(Scenario: Music Downloads and Streamed Movies) Read the scenario Music Downloads and Streamed Movies.Which of the following equations expresses Phillip's budget line?

A) 300 = 1MD + 5SM
B) SM = 300 - 1MD
C) 300 = 1 / MD + 5 / SM
D) SM = 300 + 5SM