114,061 views
43 votes
43 votes
The light in a lighthouse flashes every 20 seconds.

How many times will it flash in one hour?

User MohK
by
2.7k points

2 Answers

12 votes
12 votes

Answer:

180 flashes

Explanation:

The lighthouse flashes 3 times in a minute then multiplied by 60 which is 180 flashes.

User Kolonel
by
2.6k points
23 votes
23 votes
3 times as 60 seconds in a minutes so 60 divided by 20 is 3
User Roshan N
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2.9k points