Question

a newborn baby sleep can average of 16 hours in 24 hour period what percent of it at time does a newborn baby spend ???

Answer 1

There are 24 h in a day, so 24 h is 100%.

16 h - x%

24 h - 100%

x=(16*100)/24≈ 66.67%

Answer 2

16/24=66.6(bar notation) so if you round to the tenths you get 66.7