1. Meredith has 10 reports to file. If each report takes an average of 75 minutes to file, how long will it take her to file 70% of them?

70% of the reports will take 525 minutes (8 hours, 45 minutes) to file.

Step-by-step explanation:

Given;

total number of Meredith's report, N = 10

average time taken for each report to be filed is, t = 75 minutes per report

let the total time for the 10 reports = T

The total time for the 10 reports is 750 minutes.

Time taken to file 70 % of 10 reports = (0.7 x 10) x (75 mins)

                                                             = 0.7 x 750

                                                             = 525 minutes (8 hours, 45 minutes)

Therefore, 70% of the reports will take 525 minutes (8 hours, 45 minutes) to file.

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