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Answer: Answer #1 in top left corner
Explanation:
Only have 15 sites represented
I hope this helped!
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- Zack Slocum
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Answer:
8 and 6
Step-by-step explanation:
If you use x for the first number, and y for the second, you get equations of 3x+5y=54 and x-2=y.
You can substitute the second equation into the first one to solve it. This gives 3x+5(x-2)=54.
The brackets can be expanded to 3x+5x-10=54. Collecting like terms makes it 8x-10=54.
Next, we add 10 to both sides. This gives 8x=64.
From there, we isolate the x by dividing both sides by 8, giving x=8.
To work out the second number, we can sub 8 for x in either equation (I'm using the second one as it's simpler).
This comes to y=8-2, therefore y=6.
**This content is simultaneous equations, which you may wish to revise. I'm always happy to help!
The answer should be 3.5 pounds. You divide 56 by 16 to get your answer
2x+4y=8
-2x -2x
4y=-2x+8
/4 /4 /4
y=-1/2x+2
