Răspuns :
32 numarul total al excursionistilor (elevi + adulti)
Aflam numarul elevilor
75/100 × 32 = 2400/100 = 24
Aflam numarul adultilor
32 - 24 = 8
Aflam numarul elevilor
75/100 × 32 = 2400/100 = 24
Aflam numarul adultilor
32 - 24 = 8
elevi+adulti 100% |________________|=> 32
elevi 75%(32) |____|____|____|
adulti 25%(32) |___|
................................................................................
=> 25%(32)=32:4
25%(32)=8 adulti
75%(32)=32:4*3
75%(32)=8*3
75%(32)=24 elevi
24+8=32 persoane
elevi 75%(32) |____|____|____|
adulti 25%(32) |___|
................................................................................
=> 25%(32)=32:4
25%(32)=8 adulti
75%(32)=32:4*3
75%(32)=8*3
75%(32)=24 elevi
24+8=32 persoane