A crate

A crate of pomelos weighs 20 4/7 kilograms. After selling 19 2/7 kilograms, how many kilograms of pomelos were left?

Correct answer:

x =  1 27 = 9/7 kg

Step-by-step explanation:

a=2074=20+74=720 7+4=7140+4=714420.5714 kg b=1972=19+72=719 7+2=7133+2=713519.2857 kg  x=ab=71447135=7144135=79=79 kg=172 kg=1.2857 kg

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