Time between waves washing ashore

[puregoodboi]

Plz give me some help like i know like frequency = cycles/seconds and period=seconds/cycles but how do i answer a snwer like

If 180 waves wash up on a shore in 1.00 h. what is the time between waves, in seconds? lol help me guys .. my dad always said i have to try hard to get the education i want and everything and that out in the world there are like a million ppl just like me but smarter .. so prove it ;)

 

[Tide]

Proof: puregoodboi hasn't tried the problem himself.
QED! :-)

 

[bayan]

180/3600=.05 .05 waves a second. 1 wave is done in every 1/.05=20 seconds

cheers mate. and love to see other enthusiast like meself. (unlike the people at my school.)