1.
Kim has two telephones. One is cellular and the other is a
landline. The rates for local calls are
shown in the table below.
Rates Cellular Landline
Monthly Rental Fee $0 $45
Charges per minute 85 cents 15
cents
Question 1 – In one month, calls were made
lasting for a total of 1 hour and 5 minutes.
Show by calculations, that the cost for using the landline telephone was
less than the cost for using the cellular telephone.
Question 2 – For the month of March, the
landline telephone was used, and the bill was $54.60. Calculate the total time, in minutes, for
which the calls lasted. (Total 11
marks)
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