If each unit cube has edges of length 12 foot, what is the volume of the blue-outlined prism?

A) 2.5 ft
b) 5 ft
C) 10 ft
D) 20 ft

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?