Answer:
x+y= -10
y=5x+2
solution
x+(5x+2)= -10
x+5x+2= -10
6x+2= -10
6x= -10-2
6x= -12
6x/6= -12/6
x= -2
while y=5x+2
y= 5(-2)+2
y= -10+2
y= -8
x= -2, y= -8
15.75
Step-by-step explanation:
30% of 350=105 15% of 105=15.75
S.I= 640
I=prt
where p= $8,000
and r= 4%
and t= 2 years
$8,000×4%×2
8,000×4/100×2
80×4×2
=640
Therefore The S.I = 640.
