Ron is a farmer. He sold 5 more pounds of potatoes than spinach today. The potatoes were sold for $0.40 a pound and the spinach was sold for $0.20 a pound. He made $3.40 more selling potatoes than spinach. How many pounds of potatoes did Ron sell?

Remember, you can do anything to an equation as long as you do it to both sidesminus 36 from both sides4.5(8-x)=66-2.5(3x+24)distribute36-4.5x=66-7.5x-60add like terms36-4.5x=-7.5x+6add 7.5x to both sides36+3x=6minus 36 from both sides3x=-30divide both sides by 3x=-10