There are 150 ridges on the half dollar coin.
See the link below
Half a dollar is fifty cents.
2 half dollars
150 grooves
There are twenty half dollars in a ten dollar bill.
Two quarters equal one half dollar.
Half a dollar is fifty cents.
Half a dollar is fifty cents.
2 half dollars
There are 119 ridges on the United States quarter dollar. The ridges are there mostly for making sure the coins are properly used in coin operated machines.
A nickel is 5 cents and a half dollar is 50 cents, so 10 nickels make a half dollar.
It's right in the name "Half-dollar" half of a dollar is 50 cents.
150 grooves
There are twenty half dollars in a ten dollar bill.
The US Mint did not produce any half dollar coins in 1922.
Two quarters equal one half dollar.
There are 5 dimes in a half dollar.
50