If someone is one and twenty, they are one and twenty years old, or one plus twenty years old, or 1 + 20 or 21 years old. Another similar wording is "four and twenty black birds" from Sing a Song of Sixpence, the well known English nursery rhyme. In those couple of lines of verse, four and twenty Blackbirds is four plus twenty blackbirds or 4 + 20 or 24 blackbirds.
20% 4 divided by 20 = 0.20 0.20 is 20% Four is one fifth of twenty. One fifth in a percent is twenty percent (20%), because percent means out of 100, and 100 divided by five equals twenty. If you would like to know why percent is called percent, it is actually very simple. PER - meaning out of, and CENT meaning 100. Out of 100.
121 is one twenty-one
Twenty one twenty fifths can be written as a fraction as 21/25.
Negative twenty nine minus negative twenty one is negative eight.
If you have twenty-seven things lined up in a row, then the last one is the twenty-seventh one.
a ratio meaning the first number is twenty five times greater then the second
The twenty first set of one hundred years since the birth of Christ.
I would think that it means 21 years old.
A twenty sided polygon is called an icosagon - from the Greek words "icosi", meaning twenty, and "gonus", meaning angle, or knee.
One-hundred and twenty-five megabytes, approximately 125 million bytes.
20% 4 divided by 20 = 0.20 0.20 is 20% Four is one fifth of twenty. One fifth in a percent is twenty percent (20%), because percent means out of 100, and 100 divided by five equals twenty. If you would like to know why percent is called percent, it is actually very simple. PER - meaning out of, and CENT meaning 100. Out of 100.
a score is twenty so one hundred and fourscore and five thousand is 5180!
One more that nineteen; twice; as, twenty men., An indefinite number more or less that twenty., The number next following nineteen; the sum of twelve and eight, or twice ten; twenty units or objects; a score., A symbol representing twenty units, as 20, or xx.
In the Dholuo language of African origin, "piero ariyo gachiel" has the meaning of "Twenty one."
one hundred twenty-eight
121 is one twenty-one
one thousand twenty and twenty-five hundredths is written 1,020.25