practice question from my textbook cant figure out when there is a lot of unknowns help pleaseA potting mixture contains 12.0% peat moss and 6.00% vermiculite. How much peat and how much vermiculite must be added to kg of this mixture to produce a new mixture having 15.0% peat and 15.0% vermiculite?
we have 0.12kg of P 0.06 kg of V in 1 kg of mixture firstly equalise the two by adding 0.06 kg of V we now have 1.06 kg of mixture with 0.12 kg of each let x kg more of each be needed, then (x+0.12)/(1.06+2x) 0.15 x+0.12 0.3x+0.159 0.7x 0.039 x .39/7 kg , x+0.06 .81/7 kg ans: .39/7 kg of P, .81/7 kg of V ------
