<h2>approximately 93 million miles Definition of astronomical unit. For general reference, we can say that one astronomical unit (AU) represents the mean distance between the Earth and our sun. An AU is approximately 93 million miles (150 million km). It's approximately 8 light-minutes.</h2>
I think an equation for this could be 5x+6=y This can be explained as x representing how much the five friends got and y equaling the total. Hope this helps!