Add a real estate agency, an agent saw a house for $391,000. The commission rate is 4.5% for the real estate agency and the commission rate for the agency is 20% of the amount of the real estate agency gets. How much is the agency make on the house? How much the agency earning commission?

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?