Respuesta :

Answer: 70

Step-by-step explanation:

given data:

FG + G =30

FG + GG + H = 50

F G + GG + GH + F = ?

solution:

FG = 20

G = 10

GG = 20

H = 10

since FG = 20 and G = 10

F = 10

therefore

F G + GG + GH + F =

= 20 + 20 + 20 + 10

= 70