The amount of money thata sales person makes varies directly as the total amount of sales made. If the salesperson recieves $7,000 for selling a house for $120,000, how much will he or she make if he or she sells a house for $150,000? set up a proportion.
7000/12000=.058333 which is 5.83333% we take 150000 multiply it by 5.8333% we get %8750
make a ratio 7000 : 120000 ( unknown ) : 150000 now cross multiply and set unknown to x 120000 X = 7000 x 150000 X = 7000 x 150000/ 120000 X = 8750
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