Question

Ashley purchased a prepaid phone card for $15. Long distance calls cost 9 cents a minute using this card. Ashley used her card only once to make a long distance call. If the remaining credit on her card is $11.04, how many minutes did her call last?

Answer 1

The call lasted for 44 minutes.

Step-by-step explanation:

To calculate the number of minutes Ashley's call lasted, we can subtract the remaining credit from the initial card value and then divide by the cost per minute. The calculation is ((Initial value) - (Remaining credit)) / (Cost per minute) = ($15 - $11.04) / $0.09 = $3.96 / $0.09 ≈ 44 minutes. Therefore, Ashley's call lasted for 44 minutes.

Understanding the cost per minute and utilizing the remaining credit allows us to determine the duration of the call accurately. This calculation ensures that the prepaid card's value is appropriately used and the remaining credit aligns with the actual usage.

Managing prepaid services efficiently, such as calculating call duration based on remaining credit, is essential for users to make cost-effective choices and ensure their needs are met within the prepaid limit.