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
Answer: 1/7
Step-by-step explanation:
solve for y
Answer:
Pretty sure it would be 3.5 or 3.6 somewhere in that zone :)
Answer:
B
Step-by-step explanation:
6x + 30 + 4x = 10(x+3)
10x + 30 = 10x + 30
0 = 0