assuming that means you make $0.06 per box (1/18 dollars per box) then you've made $4.17 off of the 75 boxes. 180-4.17 = 175.83 / .06 = 3165 more boxes.
Computing the 75% increase: .... Example 18 ... If you were to put $683.7 billion in $100 bills, and count out 1 per second, it would ... Rectangular Box Cylinder.
