M mom New member Jun 14, 2009 #1 A household using 21 lamps requires about 7 new lamps each year. What percentage is this? only type if u know the answer!!! lol cali. baby...can u please make sure if that answer is right...
A household using 21 lamps requires about 7 new lamps each year. What percentage is this? only type if u know the answer!!! lol cali. baby...can u please make sure if that answer is right...