Problema Solution
The cost of 20 blank recordable cds and 6 music CDs is $80.70. The cost of 30 blank recordable CDS and 4 music CDS is $66.30. Find the cost for each blank recordable CD and each music CD.
Answer provided by our tutors
Let
b = the cost per blank recordable CD
c = the cost per music CD
20b + 6c = 80.70
30b + 4c = 66.30
........
click here to see the system of equations solved for b and c
........
b = $0.75
c = $10.95
The cost of each blank CD is 75 cents while the cost for each music CD is $10.95.