90
90
6.5% of 90= 6.5% * 90= 0.065 * 90= 5.85
One and a half hour is 90 minutes.
Number of Neutrons = Mass number - atomic number = 90 - 38 = 52
45 is half of 90.
10 x 90 = 900
1/2 of 90 is what number goes into 90 twice. For example: 1/2 of 30 is 15. 15+15 = 30. 1/2 of 90 is 45. 45+45 = 90.
9+90=99 (90 is ten times as much as 9)
half 44 = 22
22.5 or 22 and 1/2 is half of 45
90 min are in a hour and a half90since an hour is 60 minutes and a half hour is half that (30) you just do a simple addition for your answer60+30=90 minutesThe number of mintues in a half hour are 30 minutes because a full hour is 60 minutes and if you divide it in to 2's u get 30 min!