Question

1. connecting to real life find the profit for recycling 75 pounds of aluminum.

aluminum (lb), x | 10 | 20 | 30 | 40
profit, y | $4.50 | $9.00 | $13.50 | $18.00
profit: $\square

Explanation:

Step1: Find profit per pound

$\frac{\$4.50}{10\ \text{lb}} = \$0.45/\text{lb}$

Step2: Calculate total profit

$\$0.45/\text{lb} \times 75\ \text{lb}$

Answer:

$\$33.75$