Question

dau coroana,ajutati-ma imi trebuie imediat!! :))

Answer 1

1.
16 g ________ 20%
x g _________ 100%
x=1600/20=80 g

2.
30000 loc. _________ 100%
31200 loc. _________ p%
p=3120000/30000=104% =>populatia a crescut cu 4%

3.
23 lei _________ 115% (100+15)
x lei __________ 100%
x=2300/115=20 lei pretul initial

4.
46 lei ____________ 92% (100-8)
x lei _____________ 100%
x=4600/92=50 lei pretul initial