Answer :
commission = 0.06*(sale price) . . . . the relation given in the problem statement
$9000/0.06 = sale price . . . . . . . . .. divide by 0.06
150,000 = sale price . . . . . . . . . . . . . evaluate
The price of the house was $150,000.
$9000/0.06 = sale price . . . . . . . . .. divide by 0.06
150,000 = sale price . . . . . . . . . . . . . evaluate
The price of the house was $150,000.