- A20 s
- B22 s
- C18 1/3 s
- D24 s
Step-by-Step Solution
It is 6 o'clock: 6 strikes have 5 gaps in 10 s, so each gap is 2 s. Eleven strikes have 10 gaps: s. (22 s counts 11 gaps; s scales by )
Answer: A) 20 s
The clock tower shown strikes once for each hour. At the time shown it takes 10 seconds to finish striking. How long will it take to strike 11?
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