Răspuns :
10000-30/100*10000=10000-3000=7000
daca 10000........ 100%
x...............70%
x=10000*70/100=7000
daca 10000........ 100%
x...............70%
x=10000*70/100=7000
mod 1
10000x0,3=3000 asta e reducere
inseamna ca elevii platesc 10000-3000=7000
mod 2
reducere 30% inseamna sa platesti 70%, rezulta 10000x0,7=7000
10000x0,3=3000 asta e reducere
inseamna ca elevii platesc 10000-3000=7000
mod 2
reducere 30% inseamna sa platesti 70%, rezulta 10000x0,7=7000