Set up a proportion.100 over 140 is = to x over 100. from there you cross multiply to get 10000=140x. then you divide both sides by 140 and get 71.42857143 and round it. if you are rounding to the nearest whole # it would be 71%
*explain (sorry but it bugs me)
black line<white line
white line<grey line
the black line is shorter than the grey line because black is shorter than white which is shorter than grey.
Hope this helps :)
Answer:
55000 is neither a perfect square or cube as it leaves 5 and 11 as remainder
