# Hours

The lesson lasts 45 minutes. For the week, students have 18 lesson hours. How many are the actual hours?

**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this example are needed these knowledge from mathematics:

## Next similar examples:

- Nightingale

Nightingale sang five seconds for 5 hours and 5 minutes. How many seconds were missing to sing 10 hours? - Clock

How many hours is 14 days? - Time

16.2 days ..... how many hours is it? - Hours

How many hours is 9 days? - Hr to min

Sue biked to school in 5/12 of an hour. How many minutes did it take her to ride to school? - Minutes

Determine the difference in minutes: T_{1}= 2 3/20 h T_{2}= 2.3 h - Work

Workers works 5 days a week and has 21 days of vacation a year. Calculate how many days is out of work and express it as a percentage. Consider that a year has 52 weeks. - Math classification

In 3A class are 27 students. One-third got a B in math and the rest got A. How many students received a B in math? - Bean bag

A student tossed a bean bag. It landed 216 inches away. How many yards are equal to 216 inches? - The shop

The shop has 3 hectoliters of water. How many liter bottles is it? - Father and son

Father is 44 years old, his son 16 years. Determine how many years ago was the father five times older than the son. - Line

How many parts of line divide 5 (different) points that lie on it? - Fan

The fan has a speed of 210 RPM. Calculate for time of one fan period. - A trip to the peak Dry

Calculate what percentage is rising trip from Strečno to peak Suchý (Dry peak) longer than the descent back. Team trio of tourists (Palo, Peter and Andrew) rise took 4:21 and descent 3:08. - Addition of Roman numbers

Added together and write as decimal number: LXXXV + CDXXI - Valid number

Round the 453874528 on 2 significant numbers. - Circles

For the circle c_{1}(S_{1}; r_{1}=146 cm) and c_{2}(S_{2}; r_{2}= 144 cm) is distance of centers |S_{1}S_{2}| = 295 cm. Determine the distance between the circles.