(21) 10 (22) 22 (23) 20 (24) 32 (25) 30 (26) 42 everything 52 - 20 because xz is 20 and u have 32 left xy yz and wx are the same 20 in half is 10 xy yz wx are all 10.
Well, Miguel can paint infinite square feet if you do not give us the correct amounts. This is because we can assume that there are many buckets of paint.