Answer:
100.25
Explanation:
You multiply the amount the copper cost by however many pounds of it he brought in you do this to the others as well but of course theres different numbers for example it would be like this.
Copper=1.48x50=$74.00
Aluminum=1.55x15=$23.25
Plastic=0.30x10=$3.00
Then add those numbers together to get the amount of money he made off of his recyclables. Which the number you would get is 100.25 Hope this helps!!