predict how many sit ups each person can do in 12 seconds 1. janet does 3 sit ups in 2 seconds 2. paulo does 5 sit ups in 6 seconds 3. shah does 3 sit ups in 4 seconds
predict how many sit ups each person can do in 12 seconds 1. janet does 3 sit ups in 2 seconds 2. paulo does 5 sit ups in 6 seconds 3. shah does 3 sit ups in 4 seconds
