Solve the problem.ABC phone company charges $19 per month plus 
per minute for phone calls. XYZ phone company charges $9 per month plus 11¢ per minute for phone calls. How many minutes of phone calls should be made each month to make XYZ phone company a better deal?
A. more than 50 min
B. more than 500 min
C. fewer than 500 min
D. fewer than 50 min
Answer: C
Mathematics
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A. 8x
B. 
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