1.

A telephone company charges \[Rs.0.05\]per minute for local calls and \[\text{Rs}.0.12\]per minute for long distance calls. Which expression gives the total cost in rupees for "x" minutes of local calls and "y" minutes of long-distance calls?

A.  \[Rs.(0.05x+0.12y)\]
B.            \[Rs.(0.05x-0.12y)\]
C.            \[Rs.(0.17(x+y))\]
D.            \[Rs.0.17xy\]
Answer» B.            \[Rs.(0.05x-0.12y)\]


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