Question 677932
If p pounds of apples cost D dollars, how many pounds can i get for C cents?
100{{{d/p}}} = cost per pound in cents
then
{{{c/((100d)/p)}}} = no. of pounds for c cents
invert the dividing fraction and multiply
c *{{{p/(100d)}}} = {{{(cp)/(100d)}}}; no. of pounds for c cents