W=123/20 because first you distribute and you would get 4w-12=84w-504 Avter that you would subtract 84w from both sides so you would get 80w-12=-504 after that you would add 12 and that would be 80w=-492 then you divide by 80 and you'll get 123/20
Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?