Anna and Carol buy CDs and tapes at a music store that sells each of its CDs for a certain price and each of its tapes for a certain price. Anna spends twice as much as Carol spends, buying three times as many CDs and the same number of tapes. If Carol spends $60.00 on four CDs and five tapes, how much does one tape cost?
Choose the most appropriate option
A) $5.00
B) $6.00
C) $12.00
D) $25.00
E) $100.00
CD =&gt; C   Type =&gt; T   Carol: 4C+5T=60   Anna: 12C+5T=120   12C-4C=60   8C=60   C=7.5   4C+5T=60   30+5T=60   5T=30   T=6   Answer is $6.00
<result>B</result>
Anna and Carol buy CDs and tapes at a music store that sells each of its CDs for a certain price and each of its tapes for a certain price. Anna spends twice as much as Carol spends, buying three times as many CDs and the same number of tapes. If Carol spends $60.00 on four CDs and five tapes, how much does one tape cost?