#6) 2 3/4 = 33in x 2 he needs = 66in 3.5 = 42in 1 5/8 = 19.5in x 2 he needs = 39in
Add all up 63+42+39= 147in total he needs
#7) he needs 2x84in to waste least amount of wood
#8) 2.85x2= $5.70
#9) (84x2)-147= 21in left over = 1.75 ft= 1 3/4ft left
over but you don't have that in your choices, I've checked again, I don't think I made any mistakes above. I need to rush out now, but I'll check again and confirm later. Send me a message so I can find you back again,