45 is half of 90.
90
105.105 is half way between 90 and 120.
90
50% is one-half, half of 90 is 45 so your answer is 135.
one half is 45
Half of 90 is 45 (90 divided by 2)
90
90 ...
It is: 90
Half of 90 = 45
The half-life of strontium-90 is about 29 years. This means that it takes 29 years for half of the original amount of strontium-90 in a sample to decay into other elements.