bcam
contestada

Given these equations x+y=9.0

0.50x+0.20y=4.05
What are the values of x and y

Respuesta :

trankieuoanh164
X= 9.0 -y
=> 0.5(9-Y) +0.2Y=4.05
=> 4.5-0.5Y+0.2Y=4.05 
=> 0.45=0.3Y
=> Y= 1.5, X=7.5

Otras preguntas