If Bob sells a house for $249,000, He earned $9,960 money as commission .
<u>Step-by-step explanation:</u>
Here we have , Bob makes 4% commission on his sales as a real estate agent. We need to find that If Bob sells a house for $249,000, how much money does he earn . Let's find out:
Initially Bob sells a house for $249,000 . He earned a commission of 4% of selling price of $249,000
Amount = 
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Therefore, If Bob sells a house for $249,000, He earned $9,960 money as commission .