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:

Question

Chelsea Saunders

Mathematics

11 June, 20:13

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:

+3

Answers (2)

Know the Answer?

Kailyn · Answer 1

The conference call lasts 90 minutes. Minutes at daytime rate is 7pm to 8pm, 60 minutes, and at nighttime rate, 30 minutes.

60 mins @ 5c/min=$3. 30 mins @ 3c/min=$0.90. Total before conference charge: $3.90. Total cost=3.90*1.5=$5.85.

Trevin Garcia · Answer 2

Minutes at daytime rate: 60

Minutes at nighttime rate: 30

Total cost: $5.84