Question

Dividir 188 em partes inversamente proporcionais a x=3,y=4 e z=5?


a) 30;40;50
b)80;60;48
c)40;90;58
d)100;40;48
e)80;68;40

Answer 1

x/3+y/4+z/5=188 
20x+15x+12x=11.280
47x=11280
x= 11280/47
x=240 

240/3= 80
240/4= 60
240/5= 48 

Será letra B