- Why are there 60 minutes in an hour instead of 100?
- What is 2 hours and 45 minutes as a fraction?
- What is .15 of an hour?
- What per cent of a day is 27 minutes?
- How do you calculate percentage in 24 hours?
- What percentage of an hour is 40 minutes?
- What number is 15% of 24?
- What is .8 of an hour?
- What is 2 5th of an hour?
- How much part of day is 45 minutes?
- What percentage of a day is 1 hour?
- What is 40% of a number?
- What fraction of an hour is 45 minutes?
- What percentage of a day is 4 hours?
- What is .01 of an hour?
- What percentage of your day is 30 minutes?
- What is 45 percent as a fraction and decimal?
- What percent of a day is 10 hours?

## Why are there 60 minutes in an hour instead of 100?

Who decided on these time divisions.

THE DIVISION of the hour into 60 minutes and of the minute into 60 seconds comes from the Babylonians who used a sexagesimal (counting in 60s) system for mathematics and astronomy.

They derived their number system from the Sumerians who were using it as early as 3500 BC..

## What is 2 hours and 45 minutes as a fraction?

ratio as a fraction in simplest form. 2 hours = 120 minutes, so 120/45 = 8/3.

## What is .15 of an hour?

Decimal Hours-to-Minutes Conversion ChartMinutesTenths of an HourHundredths of an Hour8.1.149.1.1510.1.1611.1.1855 more rows

## What per cent of a day is 27 minutes?

1 day = (24 × 60) minutes. 1 day = 1440 minute. Hence, the required percentage is 0.069%.

## How do you calculate percentage in 24 hours?

To determine the expired hours percentage, divide the expired hours of the day by the hours in the day. Decimal fractions of an hour are legitimate. Valid entries for hours in the day are from . 1 (6 minutes) to 24 hours.

## What percentage of an hour is 40 minutes?

0.667More InformationMinutesFraction of an hour370.617380.633390.650400.66757 more rows•Oct 20, 2020

## What number is 15% of 24?

Latest calculated numbers percentages15% of 24 = 3.6Jan 08 14:15 UTC (GMT)0.59% of 100,000,000 = 590,000Jan 08 14:15 UTC (GMT)50% of 12 = 6Jan 08 14:15 UTC (GMT)- 33% of 169,650 = – 55,984.5Jan 08 14:15 UTC (GMT)All users calculated numbers percentages9 more rows

## What is .8 of an hour?

Billing Increment Chart—Minutes to Tenths of an HourMinutesTime31-36.637-42.743-48.849-54.96 more rows

## What is 2 5th of an hour?

Answer. Answer: There are 60 minutes in an hour. Divide that number by 5 and you get 12 minutes each fifth. Multiply one fifth of an hour (12 minutes) by 2 and you get 24 minutes, which is two fifths of an hour.

## How much part of day is 45 minutes?

45 minutes covers 3.125% of time from 24 hours.

## What percentage of a day is 1 hour?

Divide the number of minutes by 60, which is the number of minutes in an hour. For example, convert 14.75 minutes to a percentage by dividing 14.75 by 60, which equals about 0.246, or 24.6 percent.

## What is 40% of a number?

You divide your percentage by 100. So, 40% would be 40 divided by 100 or . 40. Once you have the decimal version of your percentage, simply multiply it by the given number.

## What fraction of an hour is 45 minutes?

More InformationMinutesFraction of an hour420.700430.717440.733450.75057 more rows•Oct 20, 2020

## What percentage of a day is 4 hours?

There are 24 hours in a day. 4 hours 30 minutes is 4.50 hours. Which is equal to 18.75%.

## What is .01 of an hour?

This conversion of 0.01 hours to minutes has been calculated by multiplying 0.01 hours by 60 and the result is 0.6 minutes.

## What percentage of your day is 30 minutes?

4 hour 30 minutes = 4×60 + 30 = 270 minutes. Total minutes in a day = 24×60=1440 minutes. Percent= 270÷1440×100 = 18.75 % .

## What is 45 percent as a fraction and decimal?

How to Write 0.45 or 45% as a Fraction?DecimalFractionPercentage0.459/2045%0.48/2040%0.529419/1752.941%0.59/1850%5 more rows

## What percent of a day is 10 hours?

40%Answer. Answer: 40% of the day is 10 hours.