7) A fiber telephone cable contains 144 fibers, each capable of carrying 672 voice messages. A conducting telephone cable contains 900 copper twisted...

7)A fiber telephone cable contains 144 fibers, each capable of carrying 672 voice messages. A conducting telephone cable contains 900 copper twisted pairs, and each pairs can carry 24 messages. Compare the capacities of the fiber and conducting cables. How many of the conducting cables are required to equal the capacity of the fiber cable