15 minutes = fraction of an hour

There are 60 minutes in an hour, so an hour is unit 1, and we can divide 15 by 60, which is equal to a quarter of an hour

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1. Five decimeters is a fraction of a meter. 25 minutes is a fraction of two hours Five decimeters is a fraction of a meter. 25 minutes is a fraction of two hours
2. Two hours and 15 minutes is a fraction of an hour
3. An hour and 15 minutes is a fraction of an hour
4. 4 hours 15 minutes = what time 15 minutes = 0.15 * 60 = 9 how to calculate 4 hours
5. Cut the 5-meter-long rope into 8 sections on average. How long is each section? How many parts of each section?
6. Cut a 3-meter-long rope into 4 sections on average, and each section accounts for 3 meters of () (), each section is () () meters, which is 1 meter of () ()
7. Divide an 8 / 9 meter rope into four sections. What's the length of each section? What's the length of each section
8. Divide the 3-meter-long rope into 7 sections. How much is the length of each section? How many meters is the length of each section?
9. The 6-meter-long rope is divided into seven sections, each of which accounts for several parts of the total length, and each section is several parts of the length
10. Divide the 3-meter-long rope into 7 sections, each section is () meters long, and each section is a fraction of the total length
11. What fraction of an hour is 25 minutes? Please, thank you
12. 30 points = several parts of the time 250 kg = several parts of the ton 125 m = several parts of the thousands of meters 70 g = several parts of the thousands of grams 15 points = several parts of the time 8 cm = fraction of a decimeter 8 cm = a few tenths of a decimeter
13. 2 and 1 / 2 hours: 50 minutes = (): () = fraction = ()
14. 50 grams more than 25 grams
15. 24 km is 20% more than () km; 15 g is 20% less than () km
16. 20 g is 50 g (), 20 g is less than 50 g (), 50 g is more than 20 g ()%
17. The number of a is 25% less than that of B, and the number of a and B is 82% more than that of a kilogram The number of a is 25% less than that of B, and the number of a and B is 25% less than that of B It is judged that 82% of the number of people with 820 grams per kilogram is 20% of the number of people with a, and the ratio of number B to number a is 1:5 The price of a commodity is reduced by 20% and then raised by 25%. The current price is equal to the original price
18. 820 grams is more than 82% of a kilogram, please
19. A fifth increase in 40g is () g, a fifth increase in 40g is () g, and a few percent decrease in 40g compared with 50g（ A fifth increase of 40g is () g, a fifth increase of 40g is () g, a few percent less than 50g, and () g is 20% more than 40g
20. Again, 20 grams is 37.5% less than 40 grams