Praveen collects 20 pounds of metal to take to a recycling center. The recycling center pays Praveen for 18

pounds of the metal and refuses the rest of it.

How much of Praveen's collection was refused, in pounds?

Praveen collects 20 pounds of metal to take to a recycling center The recycling center pays Praveen for 18 pounds of the metal and refuses the rest of it How mu class=