In one hour a machine can make 600 nuts or 720 bolts. At 3 pm the machine starts working. It makes 900 nuts and then changes to making bolts. How many bolts will the machine make by 8 pm?

Koda is making birdhouses for a park. the instructions tell him how many of each wooden shape is needed for one birdhouse. complete each statement to adjust the number of shapes for each new situation if he follows the given instructions. to make 8 birdhouses, koda will trapezoids.  for koda to make birdhouses, he will need 12 rectangles. if koda uses 4 squares to make birdhouses, he will use triangles.