Chleb waży 30% więcej niż wzięta do wypieku maka. Ile wazy chleb upieczony z 5 kg maki?
100% + 30% = 130%
5kg ------ 100%
x kg ------ 130%
x = (130 * 5) : 100 = 6,5 kg
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100% + 30% = 130%
5kg ------ 100%
x kg ------ 130%
x = (130 * 5) : 100 = 6,5 kg