Rational numbers + subtracting - math problems

Number of problems found: 16

How much and how many times is 72.1 greater than 0.00721?
• Package
The package was 23 meters of textile. The first day sold 12.3 meters. How many meters of textile remained in the package?
• Morning
Jana rose in the morning in the quarter to seven. She slept nine and a half hours. When did she go to sleep?
• Wire
From wire 53 meters long they cut of 12.1 m and then 13.1 m. How many meters of wire left?
• Suriani
Suriani had 3.05 m of ribbon. She used up 0.76 m of it. What is the length of ribbon that she has left?
• Regrouping
Subtract mixed number with regrouping: 11 17/20- 6 19/20
• Jansen
Jansen had 1.3 litres of fruit juice. He drank 0.5 litres during lunch. How many litres of fruit juice does he have left?
• Expression 8
Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2
• 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?
• 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?
• Mixed numbers
Rewrite mixed numbers so the fractions have the same denominator: 5 1/5 - 2 2/3
• 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 helicopters net change in latitude and longitude as it travels fr
• The temperature
The temperature at 1:00 was 10 F. Between 1:00 and 2:00, the temperature dropped 15F. Between 2:00 and 3:00, the temperature rose 3F. What is the temperature at 3:00?
• The Stolen Money
A man walks into a store and steals a \$100 bill. 5 minutes later, he returns to the store and buys stuff worth \$70. He pays with the bill that he had stolen, so the owner of the store returns him \$30. How many dollars did the store owner lose?
• Five pumps
Three same pumps fill the tank with 50400 liters of diesel in 7 hours. How many liters of diesel will it take in 4 hours if we add two more of the same pumps and pump them the same way? How much more (or less) will they get if we add 2 of the same pumps a
• Simplify 3
Simplify mixed numerals expression: 8 1/4- 3 2/5 - (2 1/3 - 1/4) Show your solution.

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Rational numbers - math word problems. Subtracting Problems.