Answer:
70 and 110
Step-by-step explanation:
First angle -- 2x
Second angle -- 3x + 5
Therefore,
2x + 3x + 5 = 180
5x = 175
x = 35
Therefore, 2x -- 70
3x + 5 -------------110
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Answer:
20
Step-by-step explanation:
1 gallon = 4 quarts
Write an equation system where x=cost of notebook, y=cost of pencil, z=cost of pen.
3x+4y+2z=5.45
5x+2y+3z=7.80
2x+5y+4z=7.15
Solve this system and you get x= $1.25 per each notebook, y= $0.25 per each pencil, z= $0.35 per each pen
Step-by-step explanation:
Option C is the correct one.
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