Question

va rog ajutati-ma dau coroana !!! ex 19-25

Answer 1

19.    750-50=700    700:4=175 ionut   175*3=525     525+ 50=575 george

25.100 procente fete   480 elevi
60 procente baieti
100+ 60=160
480:160=3
3*60=180 baieti
3*100=300fete





Answer 2

19. Fie G = George si I = Ionut 
G + I = 750
G = 1/3 * I +50
1/3 * I +50 + I = 750 / -50
1/3*I+I= 700 / *3
I+3I=2100
4I=2100/:4
I= 525 (lei)
G= 1/3 * 525 +50 = 525/3 +50 = 175+50=225 (lei)