Răspunsuri

2014-05-25T08:54:35+03:00
X-pretul initial
prima reducere:4x/100
x-4x/100=(100x-4x)/100=96x/100
a doua reducere: 96x/100·5/100=480x/10000=48x/1000
96x/100-48x/1000=(960x-48x)/1000=912x/1000
912x/1000=182,4
x=(182,4·1000)/912=182400/912
x=200 lei
verificare
200·4/100=8 lei
200-8=192 lei pretul dupa prima reducere
192·5/100=9,6
192-9,6=182,4 lei
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