The circumference of a pizza is approximately 56.52 inches. one-fourth of the pizza has been eaten. enter the area of the remaining pizza, in square inches. round your answer to the nearest hundredth. use 3.14 for π.

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?