20 cents didn't exist in the 15th century.
The average life expectancy in England in the 17th century was 39.7 years, from birth to death.
There were many denominations of postage stamps available in 1985. In the U.S. it cost 20 cents to mail a letter from 1 November 1981 through 16 February 1985, then 22 cents from 17 February 1985 through 2 April 1988.
A nickel and a 20 cent piece will make 25 cents. (The 20 cent piece is a rare coin struck by the US mint in only a few years in the late 19th century.)
50 percent of 20 cents = 10 cents
20 cents is twenty pennies.
Nickels are 5 cents each so if you have 4 nickels and you're trying to find the total you take 5x4=20.
You can make 20 cents with 7 coins by using 1 half dollar (50 cents), 1 quarter (25 cents), 1 dime (10 cents), and 4 pennies (4 cents). However, to specifically achieve 20 cents, you can use 1 nickel (5 cents) and 5 pennies (5 cents), totaling 20 cents with 6 coins. Alternatively, you can use 2 dimes (20 cents) and no pennies, totaling 20 cents with 2 coins.
20 Cents
$1 = 100 cents → 45 cents/$1 = 45 cents/100 cents = 45/100 = 9/20
That was issued in 1981 when postage went from 18 cents to 20 cents. It can still be used for 20 cents worth of postage.
20 cents.
20 cents is equivalent to 1/5 of $1.