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A car uses 25 litres of fuel when travelling 355 kilometers. How far can it travel with 42 liters of fuel
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A car uses 25 litres of fuel when travelling 355 kilometers. How far can it travel with 42 liters of fuel
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Mathematics
3 years
2021-07-16T07:21:58+00:00
2021-07-16T07:21:58+00:00 1 Answers
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Answer:
Step-by-step explanation:
Let’s create a proportion using this setup.
We know that 25 liters are used for 355 kilometers.
We don’t know how many kilometers are used with 42 liters. Therefore we say x kilometers are used for 42 liters.
Cross multiply. Multiply the first numerator by the second denominator, then the first denominator by the second numerator.
Since we are solving for x, we need to isolate the variable. x is being multiplied by 25. The inverse of multiplication is division, so divide both sides by 25.
The car can travel 596.4 kilometers with 42 liters of fuel.