35%x=35x/100=7x/20=materiale de constructii
x-7x/20=13x/20=rest
75%*13x/20+10mil=75/100*13x/20+10mil=3/4*13x/20+10mil=
=39x/80+10mil=mijloace de transport
7x/20+39x/80+10mil+30,625 mil=x
7x/20+39x/80+40,625mil=x
28x+39x+3250 mil=80x
13x=3250000000
x=250 mil lei suma cheltuita
250 mil*35%=87,5 mil lei materiale de constructii
250 mil -87,5 mil=162,5 mil lei rest
162,5 mil *75%+10 mil=121,875 mil+10 mil=131,875 mil lei mijl.transp.
162,5 mil -131,875 mil =30,625 mil excursie
30625000:250000000=0,1225=12,25%