Rational numbers + subtraction - practice problems - page 3 of 4
Number of problems found: 80
- Following 48483
The river level was 2 cm above normal at the beginning of the month, then it rose by 5 cm, in the following days it fell by 12 cm, then it fell by 9 cm, and finally, it rose by 7 cm. How high was the river level at the end of the month? - Calculate 34791
Calculate the example with decimal numbers: -5 + (- 14 + 11) • [24-2 • (-0,4)] - {- 28-41 • [-8 • 2 + 4 • 1 • (0,1-2,4)] + 1} = - 1000 bill
A hat costs Php 75.25, and a discounted T-shirt costs Php 750.55. How much change will you receive if you pay for both items with a Php 1,000 bill? - Consumption 7538
A package of one cheese weighs 1.80 kg. From the previous day, 0.80 kg remained. Today I have 0.53 left in the box. What was the consumption of cheese?
- 500 pesos
She has Php 500.00. She spent Php70.00 on her transportation, Php375.50 on her food, and Php45.75 on her school project. How much more was left to her? - Ana bought
Ana bought a bag for Php 350.75 and a blouse worth Php 450.90. How much did she give the cashier if her change was 198.35? - Temperature 6055
At the Štrbské prom, the station measured an air temperature of 12.7°C in the afternoon. By morning, the air temperature had dropped to -5.8°C. How many degrees °C has the air temperature dropped? - Purchase 3
Bailey had $5.67. She bought a bottle of water for $3.71. There was no sales tax on her purchase. How much money did she have after her purchases? - Suzi starts
Suzi starts her hike at 225 feet below sea level. When she reaches the end of the hike, she is still below sea level at −105 feet. What was the change in elevation from the beginning of Suzi's hike to the end?
- The elevator
Hanka took the elevator. She got on the third floor, went down to the basement, went up five stories, went down two floors, up three, up two again, and got out. On which floor did she get off? (Don't forget what the basement is) - The temperature
The temperature at 1:00 was 10°F. Between 1:00 and 2:00, the temperature dropped by 15°F. Between 2:00 and 3:00, the temperature rose by 3°F. What is the temperature at 3:00? - Antipandemic garlic
Noah bought 0.328 kg of garlic, 0.072 kg of tomatoes, 0.1112 kg of onions, and the remaining kg of ginger to make it 2.387 kilograms altogether. How many kg of ginger had he bought? - Colored blocks
Tucker and his classmates placed colored blocks on a scale during a science lab. The brown block weighed 8.94 pounds, and the red block weighed 1.87 pounds. How much more did the brown block weigh than the red block? - Jeníček 71864
Ondro owes Janek 2 euros. Jeníček owes Maťa 3 euros. and Maťo owes Ondra 1.5 euros. How many euros will they have, more or less, if they pay their debts?
- Mixed numbers
Rewrite mixed numbers so the fractions have the same denominator: 5 1/5 - 2 2/3 - Dera bought
Dera bought a set of 2 files and five notebooks for a special offer of $12.95. If the usual price of a file is $4.35 and the notebooks were $1.30, how much less money did Dera pay for the notebook and files? - Latitude and longitude
A helicopter is flying from Hong Kong to Jakarta. The latitude of Jakarta is -6.20, and its longitude is 106.80. The latitude of Hong Kong is 22.27, and its longitude is 114.15. What is the helicopter net change in latitude and longitude as it travels fro - Maria 4
Maria earns $15.25 per hour babysitting and $16.50 per hour cleaning the house. Last weekend, she spent 3 hours babysitting and 2 hours cleaning the house. Then, she went to the shop and spent $27.69. How much money does Maria have left? - Tommy
Tommy harvested 41.7639 kg of oranges, and Cadrick harvested 35 673/1000 kg of the same type of fruit. How many more kg of fruits did Tommy harvest than Cedrick? Round your answer to 3 decimal places.
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