Answer:
y= -9
try desmos for questions like these it saved my life.
Step-by-step explanation:
Answer: n=37
0.05n+0.10x2n=9.25
0.25n=9.25
n=9.25/0.25
n=37
sHOULD BE 7:2
5(x+y)=6(x-y)=120
x+y=24
x-y=20
x=22
y=2
a.
its the right way
