urgent va rog.dau coroana(ex 7)

Răspuns:
15% × 14 = 210 bilete
56% × 10 = 560 bilete
2500 - ( 210 + 560 ) = 1730 bilete
2500 - 770 = 1730
( 210 × 14 )+( 560 × 10 ) +( 1730 × 5 ) = 17190 lei
2940 + 5600 + 8650 = 17190