Answer:
12 hours 15 min
Step-by-step explanation:
Melissa has 14 reports to file.
She file 70% of report. She takes average of 1 hour and 15 minutes for each report.
First we find number of reported by Melissa.
Number of reported = 70% of 14
= 9.8
1 hour 15 min [tex]=\dfrac{5}{4}[/tex] hours
For 1 report of file [tex]=\dfrac{5}{4}[/tex] hours
For 9.8 reports of file [tex]=9.8\times \dfrac{5}{4}\approx 12.25[/tex] hours
She will take 12.25 hours to report 70% of them.
12.25 hours = 12 hours 15 min
Hence, Melissa will take 12 hours 15 min to file 70% of report.
