Isn't it obvious it's 2
2 half dollars
Two half-dollars otherwise known as a fifty cent piece make a dollar.
A half-dollar is $0.50 ( fifty cents); three half-dollars is 3(.50) = $1.50 ( one dollar and fifty cents)
one half of a dollar
a whole dollar, or one.
Fifty cents doesn't make one dollar. It is only half of a dollar. To get a dollar you need 4 quarters or 2 fifty cent pieces.
Two and a half dollars.
ONE
one hundred dollars
A half dollar coin weighs 0.365 troy ounces. Therefore, rounded to two decimal places, one ounce would equal the mass of 1/0.365 = 2.74 half dollar coins.
10 dimes to one dollar. Divide 700 by 10. You have $70.
In 2007, one Jamaican Dollar was worth about one and a half cents in US Dollars. It is now worth about 1.2 cents.