Question

H+G=50
4h+2g=140

Ajudem, pfv.

Answer 1

h + g = 50 (-2)

4h + 2g = 150 - 2h - 2g = - 100 4h + 2g = 150; 2h = 50; h = 25 h + g = 60 25 + g = 50; g = 25