SOLUTION: An office opens at 9.30a.m. and closes at 5.30 p.m with a lunch interval of 30 minutes. what is the ratio of lunch interval to the working period in the office

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Question 1003390: An office opens at 9.30a.m. and closes at 5.30 p.m with a lunch interval of 30 minutes. what is the ratio of lunch interval to the working period in the office
Answer by Rwilson55(9) About Me  (Show Source):
You can put this solution on YOUR website!
First calculate the time worked in the office. Eight hours is the difference between 5:30pm (17:30) and 9:30am. But subtract half an hour from that because of the lunch break. So seven and a half hours is the time worked in the office.
Without simplifying, the ratio would be .5%2F7.5
The ratio can be reduced by .5, so the final answer is 1%2F15