You have reached the planned half way mark. The total planned cost at this stage is five hundred dollars. The actual physical work that has been completed at this stage is worth $400. You have already spent one thousand dollars on the project. What is the CPI?

Ithink the answer is true.

With reference to the solutions, following things may be noted1) homogeneous solutions comprises of single phase.2) heterogeneous solution comprises of more than one phase.3) in colloidal solution, solute is evenly distributed in solvent. in such system, it is difficult to separate solute and solvent.4) in suspension, there is an uneven distribution of solute in solvent. in such system, solute and solvent gets separated on standing long.    blood is a homogeneous and colloidal solution,salad dressing is a heterogeneous and suspension solution.