The mass of 15.5 liters of kerosene is 12.4 kg. What is the weight of 20 liters of kerosene?
| August 29, 2021 | education
1. Let’s solve this problem using the proportion, where the mass of 20 liters of kerosene will be from kg, then we get:
15.5 = 12.4,
20 = p.
2. Using the “cross” rule, compute with:
15.5s = 20 * 12.4,
s = 248 / 15.5,
s = 16 kg.
Answer: the mass of 20 liters of kerosene will be 16 kg.
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