500
Joseph had less than $13.00 to spend when he went to the grocery store. He bought 1 pound of tomatoes and wanted to spend the rest of his money on potatoes. One pound of tomatoes costs $2.50 and one pound of potatoes costs $2.10. Which inequality shows how many pounds of potatoes, x, Joseph can buy?
2.50 + 2.10x < 13.00
2.10x < 10.50
x < 5