Question

din 32kgde mere mama obtine 8 kg dulceata . Cate kg de mere are nevoie mama ptr a obtine 13 kg de dulceata

Answer 1

32kg mere............8k dulceata
? kg mere ...............13 kg dulceata

$\frac{32}{x}=\frac{8}{13}$
$x=\frac{32*13}{8}$
$x=\frac{416}{8}$
$\boxed{x=52~kg~mere}$

Answer 2

32 kg mere.................8 kg dulceata
  x..............................13 kg dulceata
-----------------------------------------------
x=32x13:8=52 kg mere

sau
cate kg mere trebuie pentru 1 kg dulceata ?
32:8=4 kg
cate kg mere trebuie pantru 13 kg dulceata?
4x13=52 kg