Problem Solving (PS) | Re: David used part of $100,000 to purchase a house. Of the remaining port

The other method would be using allegation

Let the remaining amount be x then ,

\(\frac{1}{3}\) x 4 % and\(\frac{2}{3}\)x 6 %

So averageis\(\frac{16}{3}\)

so\(\frac{16}{3}\) % of x =320

x =6000

So Amount invested in house is 94,000