Question

If an international call costs $1.53 for the first minute and $0.92 for each additional minute and Lily does not want to spend more than $10 on the call, then find the maximum call duration that she can afford?​

Answer 1

9 hours

Explanation:

0.92 times 9=8.28 meaning 9 additional minutes

now add 1.53 with 8.28 making the total cost 9.81

In conclusion 9 hours.