Question

va rog, dau coroană​

Answer 1

Răspuns:

1. md=40g

ms=400g

C=?

C=md×100/ms=40×100/400=calculeaza

2.

ms=500g

C=20%

md=C×ms/100=20×500/100=calculeaza

3.

md=60g

mapa=240g

ms=md+ms=60+240=300g

C=60×100/300=calculeaza

4.

md=80g

C=40%

ms=?

ms=md×100/C=80×100/40=calculeaza

5.

mapa=600g

ms=800g

md=800-600=200g

C=200×100/800=calculeaza

6.

md=40g

mapa=160g

ms=md+mapa=40+160=200g

C=40×100/200=calucleaza

Exmdplicație: