afropenguin afropenguin

18-01-2017
Mathematics

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Graph the system of equations: 3r + b = 9.35 and 2r + b =8.40

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HomertheGenius HomertheGenius

26-01-2017

Graph of the system is in the attachment.
We will verify the answer:
3 r + b = 9.35
2 r + b = 8.40
--------------------
b = 8.40 - 2 b
3 r + 8.40 - 2 b = 9.35
r = 9.35 - 8.40
r = 0.95, b = 6.50

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