SOLUTION: you are at the music store looking for CDs. the store has CDs for $10 and $15. you have $55.00 to spend. What would the equation be that represents the different numbers of $10 and

Algebra ->  Linear-equations -> SOLUTION: you are at the music store looking for CDs. the store has CDs for $10 and $15. you have $55.00 to spend. What would the equation be that represents the different numbers of $10 and      Log On


   



Question 173570: you are at the music store looking for CDs. the store has CDs for $10 and $15. you have $55.00 to spend. What would the equation be that represents the different numbers of $10 and $15 CDs that you can buy?
Found 2 solutions by Mathtut, josmiceli:
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
let the number of cd's bought at $10 and $15 be a and b respectively
:
highlight%2810a%2B15b%3C=55%29

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
10x+%2B+15y+=+55 (x and y are whole numbers, x = 1 or 4, y = 1 or 3)