7/20
20 nickels is a dollar.
A nickel is worth 5¢ so 10 of them would be worth 50¢. A dollar is 100¢ so 10 nickels are a half-dollar.
20 nickels make a dollar.
17/100 of a dollar
There are 20 nickels in a dollar, so 8/20= 2/5 of a dollar.
1/5.
7/20
20 nickels is a dollar.
A nickel is worth 5¢ so 10 of them would be worth 50¢. A dollar is 100¢ so 10 nickels are a half-dollar.
20 nickels
20 nickels make a dollar.
A dime is 1/10 of a dollar. A nickel is 1/20 of a dollar.
17/100 of a dollar
17/100
Since there are 20 nickels in a dollar, 7 nickels is 7/20, or 35%.
A nickel is 5 cents and a half dollar is 50 cents, so 10 nickels make a half dollar.