En In compra de 6 borradores, dan regalo, si se compron 24 borradores & cuant
os borradores recibiron de regalo. 4
rosa elabora galletas y las enpaca en
bolsas de piezas. Si hoy, empaco 68 bolso
as y sombraron a galletas e cuantas galleta
elaboro en totale​

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?