An office opens at 10 AM and closes at 5 PM. The lunch interval is for 30 minutes. The ratio of lunchinterval to the total period of office hours is

An office opens at 10 AM and closes at 5 PM. The lunch interval is for

1.	An office opens at 10 AM and closes at 5 PM. The lunch interval is for 30 minutes. The ratio of lunch interval to the total period of office hours is
A.	1 : 7
B.	1 : 14
C.	7 : 1
D.	14 : 1
Answer» C. 7 : 1

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An office opens at 10 AM and closes at 5 PM. The lunch interval is for 30 minutes. The ratio of lunchinterval to the total period of office hours is

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An office opens at 10 AM and closes at 5 PM. The lunch interval is for 30 minutes. The ratio of lunch
interval to the total period of office hours is