Answer:
It's (very roughly) 12 hours from one high tide to the next, and of course the same for low tides. That's because the tides produced when the Moon is directly overhead or in the opposite direction are the same. Same with two low tides, since there are two tides a day (both low and high).
.87 is correct you can always check your work with an online calculator. :)
Answer=2/3
720/1080=72/108=8/12=2/3
720/1080=2/3
Remove the parentheses around the expression 1
98.66074, you just multiply the two values
