Priya is buying raisins and almonds to make trail mix. Almonds cost $5.20 per pound and raisins cost $2.75 per pound. Priya spent $11.70 buying almonds and raisins. The relationship between pounds off almonds a, pounds of raisins r, and the total cost is represented by the equation 5.20a + 2.75r = 11.70 How many pounds of raisins did Priya buy if she bought the following amounts of almonds?
2 pounds of almonds:
1.06 pounds of almonds:
0.64 pounds of almonds:
a pounds of almonds: