Răspunsuri

2014-09-06T13:25:00+03:00
100%+30%=130%

130%.................312
100%...................... x lei
______________________
x=100x312/130
x=240(pretul initial)
2014-09-06T13:28:11+03:00
100%+30%=130%
130%........312
100%....l....x
x=100×3012÷310
x=240