Determine which statement or statements are true. Pick all that apply
nails used = 6 ; birdhouses built = 2

For every 6 nails used there were 2 birdhouses built

For every 6 birdhouses built there were 2 nails used

The ratio of nails used to birdhouses built was 6:2

The ratio of birdhouses built to nails used was 2:6