Why did inventors and sailors develop better tools for navigation?

I would guess that they invented better tools which to navigate better to their directions like a compass. Possibly the newer tools are more accurate

hello! my name is zalgo and i am here to you out on this amazing day. the second president of the united states would be john adams. born october 30th, 1735 in braintree, ma. died july 4th, 1826 at the age of 90 in quincy, ma.

i hope that this ! : p

"stay and stay proud! " - zalgo

(by the way, can you mind marking me as brainliest? i' greatly appreciate it! you! )

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".