At the Music Barn, all CDs are $12.50. All cassette tapes are $7.25, and there are some old record albums that cost $25.00 each. Stevie loves music and he’s going shopping. He has $200 that he can spend. The prices listed include tax. A formula for the total amount spent on music is:

P = 12.50C + 7.25T + 25A

P is the total price of music
C is the number of CDs purchased
T is the number of tapes purchased
A is the number of albums