could someone please explain to me how rearend gear ratios work because i really dont know anything about them for example what is a good ratio for the street and what about a car with higher torque

I would try to explain it but it's getting kinda late and the Yankees are losing. So try this page: http://science.howstuffworks.com/gear-ratio.htm - A lot of the stuff might be obvious, but you may get some help.

could someone else please explain rearend gears for me please because this site wouldnt work for me and i still dont know how they work

could someone else please explain rearend gears for me please because this site wouldnt work for me and i still dont know how they work

Try this: http://auto.howstuffworks.com/differential.htm
Hopefully that will work.