Question

3 kilogramede piersici si 4 kg de caise costa 36.50 de lei iar 6 kg de piersici si 7kg de caise costa 67 5lei cat costa un kgde piersic

Answer 1

3 kg piersici+4 kg caise=36,50 lei | x7

6kg piersici+7gk caise=67,5 lei | x4

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21 kg piersici+28 kg caise=255.5 lei

24 kg piersici+28 kg caise=270 lei

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                        3 kg piersici=14.5 lei

1 kg pirsici =14.5:3 = 14,8(3) lei

 

Answer 2

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