Question 139928
The amount of money that a salesperson makes varies directly as the total amount of sales made. If the salesperson receives $7,500 for selling a house for $120,000, how much will he or she make if he or she sells a house for $150,000?
:
Use proportion; x = commission on $150,000 
{{{120000/150000}}} = {{{7500/x}}}
Cross multiply
120000x = 150000 * 7500
120000x = 1125000000
x = {{{1125000000/120000}}}
x = $9,375