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OpenStudy (anonymous):
A racing car used 255 litres of fuel to complete a 340km race. On average, how many litres of fuel did the car use every 100km?
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OpenStudy (djjo):
225/340 = n/100, so you make the cross products and you find about, I rounded it to the nearest tenth, 66.2
OpenStudy (anonymous):
yes, set it up as a proportion and solve for litres
OpenStudy (anonymous):
ahh, I see, thanks :)
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