5 of what percent is 3.5
if you take 3.5 and divide it by 0.05, or times 20, that would make it 70.
100%/x%=3.5/5(100/x)x=(3.5/5)x - we multiply both sides of the equation by x100=0.7*x - we divide both sides of the equation by (0.7) to get x100/0.7=x142.85714285714=xx=142.85714285714
now we have:5 is 142.85714285714% of 3.5