Louisa paid $12.25 for books at a yard sale. she spent $2.50 on a hardcover book, and the rest 13 softcover books. each of the softcover books cost the same. what was the cost of a single softcover book?

Neveah and clint are baking muffins for the bake sale. they need to bake 30 muffins for their display case. clint has baked 4 so far, and neveah has baked 7. how many muffins (m) do they have left to bake? show your work!

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?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much