# Unit conversion + subtracting - math problems

#### Number of problems found: 24

• Theatre
The theatrical performance started at 15:50 and ended at 18:50. How many minutes long?
Add and write the result again as hours, minutes, seconds: 2hodiny45min15s + 1h20m50s =
• Morning
Jana rose in the morning in the quarter to seven. She slept nine and a half hours. When did she go to sleep?
• Nightingale
Nightingale sang five seconds for 5 hours and 5 minutes. How many seconds were missing to sing 10 hours?
• Two dogs
Izzy's dog is 10 1/2 years old. Paige's dog is 18 months old. How many years older is Izzy's dog?
• Clock Tower
What angle is betwenn hands on Clock Tower when show 17 hours and 35 minutes?
• Decorative fence
The rectangular garden is 57 m long and 42 m wide. Calculate how much m² it will reduce if it encloses with a 60 cm wide decorative fence.
• Temperature calculus
Calculate the percentage of temperature increase if changed from 18°C to 33°C?
• Garden
Rectangular garden has a length 99 m and width 84 m. Calculate how many m2 will decrease its area if land by ornamental fence with width 30 cm.
• Infants water
From the tank, which has 10 hectoliters of water for infants, went 580 liters at mornening and 340 liters in the afternoon. How many liters left in the tank?
• The terrace
Around the round pool with a diameter of 5.5 meters is a wooden terrace with a width of 130 cm. What is the area of the terrace?
• Three cubes
The body was created by gluing three identical cubes. Its volume is 192 cm3. What is its surface in dm2?
• Railway
Between points A, B, whose horizontal distance is 1.5 km railway line has 8promile climb. Between points B, C with horizontal distance of 900 m is climb 14promile. Calculate differences of altitudes between points A and C.
• Hens
11 hens will eat spilled grain from 6AM to 16 PM. At 11 hour grandmother brought 4 hens from the neighbors. At what time was grain out?
• Cast brass
Brass cast weight was 3.84 kg, it had turned into piston weight 3.491 kg. How many grams of brass was turned off?
• Empty barrel
In the backyard is an empty barrel with a volume of 2 hl. How many liters are missing at the edge, when 53 liters flowed into it for 1 day and 68 liters of water for 2 days?
• Annulus from triangle
Calculate the content of the area bounded by a circle circumscribed and a circle inscribed by a triangle with sides a = 25mm, b = 29mm, c = 36mm
• Water
Into a full cylindrical tank high 3 with base radius 2.4 m we insert cuboid with dimensions 1.7 m, 1.7 m, 0.8 m. How many liters of water will come out?
• Interior designer
To make draperies an interior designer needs 11 1/4 yards of material for the den and 8 1/2 yards for the living room. If material comes only in 20 yard bolts, how much will be left over after completing both sets of draperies?
• Weather
Weather. At 5:00 a. M. , the temperature was 28°C and at noontime it rose by 9°C. By 4:00 p. M. , it dropped 3°C and by nighttime it was 4°C less. What is the room temperature this time?

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Unit conversion - math word problems. Subtracting Problems.