Is it more difficult to run up a ramp with a slope of 1/5 or a ramp with a slope of 5? Explain.
1 answer:
You might be interested in
25 = 5*5 and 9 = 3*3, which we can exploit to write
so that this expression is actually a difference of squares. We can factorize this to get
and given that , we divide both sides by this to get