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A barrel of oil weighs 45 kg, and 37% of the oil in the barrel is poured out. The barrel weighs 27 kg______ Kilogram
45 - (45-27) △ 37 = 45-18 △ 37 = 45-42 = 3 (kg) a: the barrel weighs 3 kg
A barrel of oil weighs 35 kg. When one third of it is poured out, the barrel weighs 24 kg. How many kg does this barrel weigh
35-（35-24）÷1/3
=35-11÷1/3
=35-33
=2 (kg)
A: this oil barrel weighs 2kg
A barrel of oil weighs 11 kg. After four thirds of the oil is poured out, the remaining barrel weighs 3.5 kg. How many kg does this barrel weigh? How many kg does the barrel weigh
Let me explain: 11-3.5 = 7.5kg is the weight of the poured oil, 7.5 △ three quarters = the weight of the oil, is 10kg, 11-10 = 1kg (needless to say, the weight of the barrel). When calculating the oil, use the comprehensive formula: (11-3.5) △ 3 / 4 = 7.5 △ 3 / 4 = 10, 11-10 = 1kg. A: originally, this barrel of oil is 10kg, and the barrel is 1kg. Step by step: 11-3.5 = 7
A barrel of oil weighs 13 kg. After two-thirds of the oil is sold, the barrel weighs 5 kg. How much is the oil weight,
The weight of de set oil is XKG
2/3x=13-5
2/3x=8
x=8÷2/3
x=12
A barrel of oil weighs 15 kg in total. After it has been sold for 34 years, it weighs 6 kg in total. How many kg does this barrel of oil weigh? (calculated by equation)
Suppose the barrel of oil weighs XKG, the equation is: 34x + 6 = 15 & nbsp; 34x = 9, & nbsp; & nbsp; & nbsp; X = 12
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