Answer:
1. y = 2x and x + y = 6
x+2x=6
3x=6
3x/3=6/3
x=2
2. 5x + 10y = 3 and x = -1/2y
5(-1/2y)+10y=3
-2.5y+10y=3
7.5y=3
7.5y/7.5=3/7.5
y=0.4
Step-by-step explanation:
n>3
week 4 had the greatest weight change
its B
