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 $90.00 on four CDs and five tapes, how much does one tape cost?	Select.
A) $5.00
B) $6.25
C) $12.00
D) $25.00
E) $9.00
CD =&gt; C   Type =&gt; T   Carol: 4C+5T=90   Anna: 12C+5T=180   12C-4C=90   8C=90   C=11.25   4C+5T=90   45+5T=90   5T=45   T=9   Answer is $9.00
<result>E</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 $90.00 on four CDs and five tapes, how much does one tape cost?