SOLUTION: Kent bought three tapes and 2 CDs for $62.50. Desmond bought 1 tape and 4 CDs for $72.50. Find the cost of one tape and the cost of one CD.

Algebra ->  Customizable Word Problem Solvers  -> Evaluation -> SOLUTION: Kent bought three tapes and 2 CDs for $62.50. Desmond bought 1 tape and 4 CDs for $72.50. Find the cost of one tape and the cost of one CD.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 878289: Kent bought three tapes and 2 CDs for $62.50. Desmond bought 1 tape and 4 CDs for $72.50. Find the cost of one tape and the cost of one CD.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
3t + 2c = 62.50 |times -2 and ADD EQs
t + 4c = 72.50
-5t = -52.50
t = $10.50 and c(cost of CD) = $15.50 4c+=+72.50-10.50