algebra
posted by jess .
Solve by the elimination method
0.3x0.2y=4
0.4x+0.5y=  55/17
Thank you

multiply the first equation by 5, the second equation by2
1.5xy=20
.8x+y=110/17
add the equations
2.3x=20110/17
multipy both sides by 17
39.1x=340110
x= 230/39.1