PART A is 28 hours and PART B is 16800 minutes
'An equation is a mathematical statement with an 'equal to' symbol between two expressions that have equal values.'
According to the given problem,
Delia Brushes her teeth = 1/6 hour
For Part A,
Total Week= 1 week
Total number of days in a week= 7 days
Total number of hours in a day= 24 hours
Total number of hours in a week= 24× 7 hours
Total number of hours in a week= 168 hours
Number of hours that Delia brushes her teeth = × 168 hours
Number of hours that Delia brushes her teeth = 28 hours
For Part B,
Total number of days in a week= 7 days
Total number of hours in a week= 168 hours
Total number of minutes in a week= 168 × 60
Total number of hours in a week= 100800 Minutes
Number of minutes that Delia brushes her teeth = × 100800
Number of hours that Delia brushes her teeth = 16800 minutes
Hence, we can conclude that Delia brushes her teeth for 28 hours and 16800 minutes.
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