MIA AND LUKE MADE 85 ORIGAMI TOGETHER. MIA MADE 4 PIECES OF ORIGAM...

12. Mia and Luke made 85 origami together. Mia made 4 pieces of origami every 3 minutes. Luke made 3 pieces of origami every 4 minutes, but Luke spent 5 minutes more than Mia. How many pieces of origami did Mia make?