Carmine mixes 2.8 pounds of cashews with almonds to make a trail mix. He divides the trail mix into 5 equal portions. Each portion weighs 1.5 pounds. Which equation and solution shows the total amount of almonds he used in the mixture? One-fifth (2.8 + a) = 1.5 (5); a = 34.7 pounds of almonds One-fifth (2.8 + a) = 1.5; a = 4.7 pounds of almonds One-fifth (2.8 + a) = 1.5 (5); a = 4.7 pounds of almonds One-fifth (2.8 + a) = 1.5; a = 34.7 pounds of almonds