Answer:
x=1/2 y =1
Step-by-step explanation:
(-4x+2y)/2x5=0/2x5
10x+3y=8
(-2x+y)x5=0
10x+3y=8
-10x+5y=0
10x+3y=8
8y=8
y=1
x=1/2
Answer:
Right now it would be

Since desend means down add -20 to -40

or

Then is goes up 35, which is positive

Therefore, the answer is -25
Hope this helps
Answer by
<em>Fishylikeswater</em>
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Answer: 225km
Step-by-step explanation:
3cm --- 150
1cm ---- 50
Therefore 4.5cm * 50 = 225km