Mathematics, 06.05.2020 21:28, sagereagin

Jane’s mobile phone plan charges $0.05 per minute at daytime rates before 8 p. m. and $0.03 per minute at nighttime rates after 8 p. m. A conference call costs 1.5 times the normal rate. Calculate the cost of a conference call lasting from 7 p. m. to 8:30 p. m.
Minutes at daytime rate:
Minutes at nighttime rate:
Total cost:

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