Thet are worth exactly 50 cents, there is no need to estimate.
10 half dollars is 5 dollars.
150 x half dollars = 75.00 dollars.
One half of one billion dollars is 500,000,000 dollars.
In $50.00, there are 100 half dollars.
ten it takes 10 half dollars
The half of 140 is 70
500,000 = half a million
10% of the bill would be 4.10 Half of 10 is 5, so 5% of the bill is 2.05 Estimate $6 for the tip
20 half dollars have a face value of a $10.
250000000 dollars.
those are not half dollars but rather bicenntenial IKE dollars they are worth about a dollar
8 Dollars.