Next on his checklist is wax to stick the feathers together and colors to paint them. He needs a total of 38 g of colors to paint them. If the feathers require 26 g of wax and right now he just needs 23 g How many grams of wax does he already have?
1. He needs a total of 38 g of colors to paint them. 
2. If the feathers require 26 g of wax

That means he needs 12 more grams of colors. So he has 26 grams of wax.