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Answer :
Final answer:
The cost of the telephone call is R153.60. If Samantha made this call every month for two years, she would pay R3686.40.
Explanation:
To find the cost of the telephone call, we need to calculate how many 30-second intervals are there in 24 minutes.
24 minutes = 24 minutes * 60 seconds/minute = 1440 seconds
Cost of one 30-second interval = R3.20
Number of 30-second intervals in 1440 seconds = 1440 seconds / 30 seconds = 48 intervals
Cost of the call = R3.20 * 48 = R153.60
To calculate how much Samantha would pay if she made this call every month for two years, we need to find the number of calls she would make in two years and multiply that by the cost of one call.
Number of calls in two years = 12 months/year * 2 years * 1 call/month = 24 calls
Cost of 24 calls = R153.60/call * 24 calls = R3686.40
Therefore, the call will cost R153.60 and Samantha would pay R3686.40 if she made this call every month for two years.
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